PartsTable
Technical Data Sheet

111L91002/1 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

111L91002/1: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-992-8568, 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
111L91002/1
NSN: 5331-00-992-8568
FSC: 5331 — O-ring
CAGE: D8266 — ROLLS-ROYCE SOLUTIONS GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-00-992-8568
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 111L91002/1 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
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.465 INCHES MINIMUM AND 2.485 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 9
67500-49Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
331-8307Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
303531Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0331-8307Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0009978545Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
R67500-49Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 111L91002/1?
111L91002/1 is a O-RING.
What parts can replace 111L91002/1?
There are 9 known substitutes for 111L91002/1: 67500-49, 331-8307, 303531 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 111L91002/1?
111L91002/1 is cataloged in the U.S. Government catalog under NSN 5331-00-992-8568. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.