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Item Specifics

Federal Supply Class (FSC)
National Item ID Number (NIIN)
Outside Diameter
1.485 inches minimum and 1.523 inches maximum ABHE
Cross-sectional Height
0.067 inches minimum and 0.073 inches maximum ADVN
Center Hole Diameter
1.351 inches minimum and 1.377 inches maximum ADYT
Rubber fluorocarbon class fpm MATT

Item Identification | O-rings

5331-00-166-1030, A nonmetallic circular item with an aperature, having a solid round cross-section. they are used primarily for sealing. for items with other than round cross section, see packing,preformed. for noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

Supply Class (FSC)NSN AssignmentNIINItem Name Code (INC)
5331 Nov 19, 1971 001661030 47946 (Ring O)

End Item Applications NSN 5331-00-166-1030 end item applications/platforms

O-rings Cross Reference

Part Number CAGE Variation
5P9658 Cage Code D9182 Cross Ref. Part
4400591-0280 Cage Code D9182 Cross Ref. Part
4400576-0280 Cage Code D9182 Cross Ref. Part
780-01028 Cage Code D9182 Cross Ref. Part
AS3085-028 Cage Code D9182 Cross Ref. Part
M83248/1-028 Cage Code D9182 Cross Ref. Part
AMS7276 Cage Code 81343 Superseded, Discontinued, or Replaced
645001RR028 Cage Code 99551 Cross Ref. Part
32028D Cage Code D9182 Cross Ref. Part
2-028V747-75 Cage Code D9182 Cross Ref. Part
2-028N674-70 Cage Code 02697 Original Part
2-028 V747-75 Cage Code C0308 Superseded, Discontinued, or Replaced
M83248-1-028ES Cage Code H2313 Superseded, Discontinued, or Replaced
2-028V0747-75 Cage Code 02697 Superseded, Discontinued, or Replaced
2-028V1164-75 Cage Code 02697 Superseded, Discontinued, or Replaced
2-028V1226-75 Cage Code 02697 Superseded, Discontinued, or Replaced
A28SR277-70 Cage Code 95272 Superseded, Discontinued, or Replaced
AS568-028 Cage Code 81343 Original Part
2-028-77-545 Cage Code 83259 Superseded, Discontinued, or Replaced
1N141300117 Cage Code A2309 Superseded, Discontinued, or Replaced
2-028N676-70 Cage Code A3958 Superseded, Discontinued, or Replaced
M83248/1-028 Cage Code 0XK26 Superseded, Discontinued, or Replaced
M832481-028 Cage Code 18350 Superseded, Discontinued, or Replaced
AS568B-028 Cage Code 2K255 Superseded, Discontinued, or Replaced
568027-2 Cage Code 81400 Superseded, Discontinued, or Replaced
2314-0287 Cage Code 91816 Superseded, Discontinued, or Replaced
STD3019E28 Cage Code 99193 Superseded, Discontinued, or Replaced
ST1000-028 Cage Code 77445 Superseded, Discontinued, or Replaced
MILR83248 Cage Code 81349 Superseded, Discontinued, or Replaced
M83248/1-028 Cage Code 81349 Superseded, Discontinued, or Replaced
457-5652 Cage Code A486G For Reference Only
2-028V884-75 Cage Code 02697 Superseded, Discontinued, or Replaced
2-028 V747-75 Cage Code 02697 Superseded, Discontinued, or Replaced
11-028-8255-75 Cage Code 81165 Superseded, Discontinued, or Replaced
S9413-028 Cage Code 99193 Superseded, Discontinued, or Replaced
MILR2765-028ES Cage Code H2313 Superseded, Discontinued, or Replaced
S9413-028 Cage Code 99183 Superseded, Discontinued, or Replaced
ASC1364753 Cage Code Z4779 Superseded, Discontinued, or Replaced
AS568-028AMS7276 Cage Code 81343 Superseded, Discontinued, or Replaced
M83248/1-028 Cage Code 81343 Superseded, Discontinued, or Replaced
10159814 Cage Code A486G For Reference Only

National Motor Freight NMFC: A six position numeric code, which divides articles into groups or classes according to physical characteristics. The classification is based on truckloads vs. less than truckload.

Code Description Code Value Meaning
NMF Description NMFC 194120 Washers/gaskets/pckg Dvcs Noi
Universal Freight Code UFC 95100
Less than a truck load rating LTL W Rating variable
Water Commodity WCC 596 Gaskets, (machinery and parts),(less than 35 feet)
Type of Cargo TCC Z No special type of cargo code applicable
Special Handling SHC 9 Other or no special handling required (sh)
Air Dimension Code ADC A Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity ACC V Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing and special purpose vehicles, trailers, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling ASH Array No special handling required.

Trade Control Compliance Schedule B Export Code: A ten position numeric code that identifies an item exported overseas. this unique identification code is assigned by the U.S. Census Bureau.

Schedule B Sch. B Description Demilitarization Classification ITAR Regulation
4016930000 Gaskets, washers and other seals, of vulcanized rubber other than hard rubber Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9). Unclassified Not ITAR Controlled

MOE / End Users Represents the subdivisions of a US governmental organization or an agency of the North Atlantic Treaty Organization (NATO), and other friendly governments and international organizations participating in the federal catalog program.

Country / Entity Name MOE
ZF France ZF
ZX Namsa (user) ZX
ZZ Department Of The Navy ZZ
No MOE rules found for this NSN.

Material & Special Handling Item material and handling information

Code Description Value Meaning
HMIRS N Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Precious Metals Indicator A Item does not contain precious metal.
Criticality Code X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Management Rec. / Rep. Code: Special program consumables

 CTL: 9B-----

Air Force

Fund SF – Stock fund applicable to items managed for the air force by the respective inventory control point.
Budget 9 – Air force decentrally managed
Material Management SX – Brac mmac for oc-alc
Price Validation V – The current standard price has been validated. - the item has been analyzed in conjunction with the zero overpricing program and is in the accepted price range. -the item was procured under open competition and under the competitive arena the price is considered fair and reasonable. -zop or standard price challenges are permissible but must be supported by adequate justification.

Air Force Management Code Definition

Fund A two position code that classifies an item into categories in terms of funding and budgeting.
Budget Identifies investment items to budget programs from which item is funded.
Material Management Identifies an item of supply to be managed by a specific activity manager.
Price Validation Indicates validity of the recorded unit price.


Stores Account 1 – Marine corps stock fund account item.
Combat Essentiality 2 – Non-critical repair part. repair parts or major components whose failure in an end item will not render the end item inoperati
Management Echelon B – All commodities
Material Identification B – Consumable repair parts
Operational Test
Physical Category 1 – Bin

Marines Code Definition

Stores Account (SAC) Indicates the type of funds employed within the marine corps in supply support operations.
Combat Essentiality (CEC) Establishes if an item is essential to the operational readiness of a weapon system or the conduct of a military mission, or that a functional part contributes to the tactical and essential operations of an item component or assembly, and its failure would render the item inoperable or incapable of fulfilling its mission.
Management Echelon (MEC) Classifies items into categories by material and procurement echelon.
Material Identification (MIC) Identifies method of accounting, degree, and type of control to be maintained for the item and to identify material by specific purpose, type, or classification for the war reserve system.
Operational test (OTC) Indicates special procedures must be performed on an item of supply while under care-in-stores or as a part of the issue process.
Physical Category (PCC) Indicates category for picking, packing, and marking items for shipment.


Cognizance 9B – Naval inventory control point, mechanicsburg
Special Material
Requisition Restriction
Special Material Content

Navy Management Code Definition

Cognizance (COG) Identifies the inventory manager (IM) and inventory control point (ICP).
Special Material (SMIC) Categorizes material on the basis of requirements for source or quality control, technical design, or configuration control, procurement, stocking and issue control, special receipt, inspection, testing, storage, or handling
Req. Restriction (IRRC) Item requisition instructions.
Special Material (SMCC) Indicated that an item represents or contains peculiar material requiring special treatment, precautions, or management.


Accounting Requirements X – Expendable item. an item of army property coded with an arc of ``x'' in the amdf. expendable items require no formal accountability after issue from a stock record account. commercial and fabricated items similar to items coded ``x'' in the amdf are considered expendable items.
Material Category 1 T – Industrial supplies (dla/gsa items)
Material Category 2 2 – Stock fund secondary items
Material Category 3 2 – Nonreparable items (exclusive of insurance and provisioning items). this code will be used to identify items which are not reparable.
Material Category 4 & 5 00 – Dla/gsa-managed items that cannot be identified to a specific army weapons systems/end item

Army Management Code Definition

Accounting Requirements Accounting Requirements Code (ARC): a one position alpha code that indicates the accountability of an item of supply.
Material Category 1 Material category and inventory manager.
Material Category 2 Appropriation and budget activity account.
Material Category 3 Management inventory segment.
Material Category 4 & 5 Specific group / generic category.