PartsTable
Technical Data Sheet
PartsTable / COMPONENT / FF-S-325 NOT 4
FF-S-325 NOT 4 ✓ 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

The SHIELD,EXPANSION is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-012-3377, 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
FF-S-325 NOT 4
NSN: 5340-01-012-3377
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
Part NumberFF-S-325 NOT 4
NSN5340-01-012-3377
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: FF-S-325 NOT 4 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 17
8982Upgraded Successor
successor cross-reference
successor
SAW-696446Interchangeable
interchangeable cross-reference
interchangeable
1906987Interchangeable
interchangeable cross-reference
interchangeable
16P14Interchangeable
interchangeable cross-reference
interchangeable
900123-0037Interchangeable
interchangeable cross-reference
interchangeable
8673Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy FF-S-325 NOT 4?
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 FF-S-325 NOT 4?
FF-S-325 NOT 4 is a SHIELD,EXPANSION.
What parts can replace FF-S-325 NOT 4?
There are 17 known substitutes for FF-S-325 NOT 4: 8982, SAW-696446, 1906987 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FF-S-325 NOT 4?
FF-S-325 NOT 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-012-3377. 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 — FF-S-325 NOT 4

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026