PartsTable
Technical Data Sheet
40398-4 FIND NO 22 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

SEAT,HELICAL COMPRESSION SPRING. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-437-5438, 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
40398-4 FIND NO 22
NSN: 5340-01-437-5438
FSC: 5340
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
Part Number40398-4 FIND NO 22
NSN5340-01-437-5438
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40398-4 FIND NO 22 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A93403-1Interchangeable
interchangeable cross-reference
interchangeable
93601Interchangeable
interchangeable cross-reference
interchangeable
MP4Interchangeable
interchangeable cross-reference
interchangeable
RE1604-01Interchangeable
interchangeable cross-reference
interchangeable
6635-7552-0000Interchangeable
interchangeable cross-reference
interchangeable
A-A-58074Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 40398-4 FIND NO 22?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 40398-4 FIND NO 22?
40398-4 FIND NO 22 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 40398-4 FIND NO 22?
There are 7 known substitutes for 40398-4 FIND NO 22: A93403-1, 93601, MP4 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40398-4 FIND NO 22?
40398-4 FIND NO 22 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-437-5438. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 40398-4 FIND NO 22