4820-01-640-6689

Pressure And Temperature Relief Valve email this page
ITAR Registered

Images

Reference images of this national stock number
Reference of NSN 4820-01-640-6689 Reference of NSN 4820-01-640-6689 Reference of NSN 4820-01-640-6689 Reference of NSN 4820-01-640-6689 Reference of NSN 4820-01-640-6689 Reference of NSN 4820-01-640-6689 Reference of NSN 4820-01-640-6689 Reference of NSN 4820-01-640-6689

Model or part number: 23942175-1

Pricing & Availability

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About this product
Service: dry air or dry nitrogen; temp. Range: m31/p140 deg f; pressure ratings: operating: 3000 psig @ 68 deg f; crack: 4500+/- 150 psig; reseat: 4100 psig min; proof: 5000 psig: burst: 7500 psig; rated flow: 0.31 lb/minute at 5000 psig max; leakage: none below 4100 psig; acceptance test per 43942175

Description

Relief Valve NSN 4820-01-640-6689.

pdf NSN 4820-01-640-6689 Datasheet

MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.AAQL
Body Style:
Straight thru
MRC:
A value which expresses the degree of heat or cold as applied to the operation,or limitation of operation,of an item.ABJH
Tempurature Rating:
140.0 degrees fahrenheit
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.ACLK
First End Thread Class:
3h
MRC:
Indicates whether or not the second end is identical to the first end.ACLR
Second End Relationship With First End:
Not identical
MRC:
None.ACMD
Second End Width Across Flats:
1.000 inches
MRC:
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.ADAR
Body Outside Diameter:
1.000 inches
MRC:
The number of end connections included in the item.ADQZ
End Connection Quantity:
1
MRC:
The predetermined pressure at which the item is calibrated to open.ADSV
Opening Pressure Setting:
4500.0 pounds per square inch
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
Ch/mh-53; nha: 65664-03010-011/013
MRC:
A designator distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.CQMM
First End Thread Series Designator:
Unjf
MRC:
The designation which is used for the purpose of general identification of the nominal thread size.CQYM
First End Thread Size:
0.4375 inches
MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
One inlet; two outlets
MRC:
--
NIIN:
016406689
MRC:
--
NATO Stock Number:
4820-01-640-6689
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
Yes - DEMIL/MLI
Export Control Information  
FIIG:
--
FIIG:
A07100
MRC:
--
INC:
16996
MRC:
--
IMM:
AX
Certified products icon

All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

Quality inspections icon

Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

Quality Commitment »

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 4820-01-640-6689

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Recent Solicitations Most recent solicitations for NSN 4820-01-640-6689

End Date
Solicitation
Qty
Purchase Request
End Date:
2024-03-11
Solicitation:
SPE7MC24T8949
Qty:
14
Purchase Request:
7006353002
End Date:
2022-08-08
Solicitation:
SPE7MC22T344J
Qty:
34
Purchase Request:
0095267386
End Date:
2022-06-27
Solicitation:
SPE7MC22T248P
Qty:
11
Purchase Request:
0094777160
End Date:
2020-03-30
Solicitation:
SPE7MC20T7077
Qty:
4
Purchase Request:
0084206355
End Date:
2019-12-12
Solicitation:
SPE7MC20T2350
Qty:
9
Purchase Request:
0082654946
End Date:
2018-11-19
Solicitation:
SPE7MC19T2044
Qty:
12
Purchase Request:
0077120296
End Date:
2017-10-30
Solicitation:
SPE7MC18T0887
Qty:
12
Purchase Request:
0071275283
End Date:
2017-03-06
Solicitation:
SPE7MC17TB602
Qty:
12
Purchase Request:
0067760954
End Date:
2015-12-17
Solicitation:
SPE7M116T8332
Qty:
3
Purchase Request:
0061475432
End Date:
2015-09-21
Solicitation:
SPE7M115TAX43
Qty:
4
Purchase Request:
0060302954

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
00
MOP:
10
PKG:
PRES MAT:
00
WRAP MAT:
XX
ICQ:
AAA
THK:
0
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Special Markings Code (SPC_MKG) 00

No special marking.

Method of Preservation (MOP) 10

Physical protection.

Cushion Material (CUSH) 00

No requirement.

Preservation Material (PRES_MAT) 00

No requirement.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8481400000
NAICS:
332911
End Use Class:
21180
SITC:
74740
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481400000

Safety Or Relief Valves

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74740

Safety Or Relief Valves

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
127220
NMF Description:
Pressure Reg/red/relief Valves Noi
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 594

Pumps and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

DLA History / Forecast Quantities

Maritime Supply Chain
10/1502/1607/1612/1605/1710/1709/1801/1909/1905/20
2.002.002.002.002.002.005.0011.0012.001.00

Manufacturers

This NSN is registered to the following cage codes.
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