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PartsTable / COMPONENT / 12940 OLSS
12940 OLSS ✓ 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 is a the manufacturer industrial component. Key specifications include material: GREASE OVERALL, end_item_identification: BLOCH ASSEMBLY, SE; MARS CLASS T-AFS 1. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-472-7135, 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
12940 OLSS
NSN: 5330-01-472-7135
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialGREASE OVERALL
end_item_identificationBLOCH ASSEMBLY, SE; MARS CLASS T-AFS 1
NSN5330-01-472-7135
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12940 OLSS 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
KEY FEATURES
•
MATERIAL: GREASE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONBLOCH ASSEMBLY, SE; MARS CLASS T-AFS 1
MATERIALGREASE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
A2096Interchangeable
interchangeable cross-reference
interchangeable
20088Interchangeable
interchangeable cross-reference
interchangeable
14563Interchangeable
interchangeable cross-reference
interchangeable
25450Interchangeable
interchangeable cross-reference
interchangeable
357-1765Interchangeable
interchangeable cross-reference
interchangeable
5L02159Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12940 OLSS?
12940 OLSS is a SEAL,PLAIN.
What parts can replace 12940 OLSS?
There are 10 known substitutes for 12940 OLSS: A2096, 20088, 14563 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12940 OLSS?
12940 OLSS is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-472-7135. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026