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Technical Data Sheet
PartsTable / COMPONENT / L691/55 ITEM 29
L691/55 ITEM 29 ✓ 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 L691/55 ITEM 29 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 5330-01-315-2342, 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
L691/55 ITEM 29
NSN: 5330-01-315-2342
FSC: 5330
CAGE: 0JKF4 — ULSTEIN USA INC (USA)
SPECIFICATIONS
Part NumberL691/55 ITEM 29
NSN5330-01-315-2342
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: L691/55 ITEM 29 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 21
10061Interchangeable
interchangeable cross-reference
interchangeable
124-1961-000Interchangeable
interchangeable cross-reference
interchangeable
B233724Interchangeable
interchangeable cross-reference
interchangeable
7886278P1Interchangeable
interchangeable cross-reference
interchangeable
29341Interchangeable
interchangeable cross-reference
interchangeable
53161Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is L691/55 ITEM 29?
L691/55 ITEM 29 is a L691/55 ITEM 29.
What parts can replace L691/55 ITEM 29?
There are 21 known substitutes for L691/55 ITEM 29: 10061, 124-1961-000, B233724 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for L691/55 ITEM 29?
L691/55 ITEM 29 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-315-2342. 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