PartsTable
Technical Data Sheet
91638535 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 1.359 INCHES MINIMUM AND 1.369 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-551-1504, 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
91638535
NSN: 5331-00-551-1504
FSC: 5331 — O-RING
CAGE: F6481 — THALES SA (FRA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter1.359 INCHES MINIMUM AND 1.369 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-551-1504
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91638535 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
CENTER HOLE DIAMETER: 1.359 INCHES MINIMUM AND 1.369 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.359 INCHES MINIMUM AND 1.369 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
108-789Interchangeable
interchangeable cross-reference
interchangeable
7-6071Interchangeable
interchangeable cross-reference
interchangeable
6071Interchangeable
interchangeable cross-reference
interchangeable
S59-179Interchangeable
interchangeable cross-reference
interchangeable
154137Interchangeable
interchangeable cross-reference
interchangeable
1295245Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91638535?
91638535 is a O-RING.
What parts can replace 91638535?
There are 7 known substitutes for 91638535: 108-789, 7-6071, 6071 and 4 more. Substitute compatibility should be verified for your specific system.
Is 91638535 still available?
91638535 is currently cancelled.
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