5340-00-444-8471

Helical Compression Spring Seat email this page

Model or part number: 3W28757

Pricing & Availability

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About this product
No ctr bore;not casehardened

Description

Valve Spring Retainer NSN 5340-00-444-8471.

pdf NSN 5340-00-444-8471 Datasheet

MRC:
The distance measured in a straight line from the bottom to the top of an item.ABKW
Overall Height:
0.3750 inches
MRC:
None.ABPR
First Step Diameter:
0.7190 inches
MRC:
None.ABPS
First Step Length:
0.1720 inches
MRC:
Indicates the design type of the item.APGF
Design Type:
Solid
MRC:
The length of a straight line which passes through the center of the end of the item,and terminates at the circumference.BBRB
End Diameter:
0.4060 inches
MRC:
The element,compound,or mixture of which an item is fabricated,excluding any surface treatment.MATL
Material:
Steel
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
MRC:
--
NIIN:
004448471
MRC:
--
NATO Stock Number:
5340-00-444-8471
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
T319-E
MRC:
--
INC:
24328
MRC:
--
IMM:
KZ
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 »

Shipping icon

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 5340-00-444-8471

A circular item, usually having a flat or grooved flange, boss(es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer, helical compression spring. Excludes washer (1), (as modified); seat, ball socket and holder, spring. See also rotor, engine poppet valve.

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:
E
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
00
MOP:
10
PKG:
27A0
PRES MAT:
00
WRAP MAT:
00
ICQ:
AAA
THK:
0
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) E

Packing shall be accomplished to meet the performance test requirements of astm-d4169, distribution cycle 18, assurance level 1.

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.

Manufacturers

This NSN is registered to the following cage codes.
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