PartsTable
Technical Data Sheet
PartsTable / COMPONENT / M-1-3557
M-1-3557 ✓ 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 SEAL,PLAIN ENCASED 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 5330-00-891-5669, 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
M-1-3557
NSN: 5330-00-891-5669
FSC: 5330
CAGE: 7L611 — BLAKO INC. DBA BLAKESLEE (USA)
SPECIFICATIONS
Part NumberM-1-3557
NSN5330-00-891-5669
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M-1-3557 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 10
953-1Interchangeable
interchangeable cross-reference
interchangeable
95532Interchangeable
interchangeable cross-reference
interchangeable
4202635Interchangeable
interchangeable cross-reference
interchangeable
S710-4-1-600Interchangeable
interchangeable cross-reference
interchangeable
21476Interchangeable
interchangeable cross-reference
interchangeable
2485787Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy M-1-3557?
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 M-1-3557?
M-1-3557 is a SEAL,PLAIN ENCASED.
What parts can replace M-1-3557?
There are 10 known substitutes for M-1-3557: 953-1, 95532, 4202635 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M-1-3557?
M-1-3557 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-891-5669. 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 — M-1-3557

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