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Technical Data Sheet
040331 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SEAT,SPRING is a the manufacturer industrial component. Key specifications include shape: IRREGULAR, material: STEEL OVERALL, ball_stud: INCLUDED, body_width: 0.975 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN, case_style: SQUARE, head_style: DEE CHAMFER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-393-5603, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
040331
NSN: 2990-00-393-5603
FSC: 2990
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
shapeIRREGULAR
materialSTEEL OVERALL
ball_studINCLUDED
body_width0.975 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
case_styleSQUARE
head_styleDEE CHAMFER
seal_width0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
body_height0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
body_length0.700 INCHES MAXIMUM IN
design_typeBALL STUD
head_height0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_size5/8-18
NSN2990-00-393-5603
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAT,SPRING TITLE COMPONENT PN 040331 MFR SEAT,SPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40337SInterchangeable
interchangeable cross-reference
interchangeable
314G216Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
3969Interchangeable
interchangeable cross-reference
interchangeable
403-37Interchangeable
interchangeable cross-reference
interchangeable
69 327 R2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 040331?
040331 is a SEAT,SPRING.
What parts can replace 040331?
There are 14 known substitutes for 040331: 40337S, 314G216, 00044 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 040331?
040331 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2990-00-393-5603. This indicates validated use in U.S. government and defense supply chains.
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