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Technical Data Sheet
PartsTable / COMPONENT / 981-1 1/2
981-1 1/2 ✓ 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 981-1 1/2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-290-4143, 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
981-1 1/2
NSN: 5340-00-290-4143
FSC: 5340
CAGE: 73145 — HINDLEY MANUFACTURING COMPANY INC (USA)
SPECIFICATIONS
Part Number981-1 1/2
NSN5340-00-290-4143
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 981-1 1/2 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
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
MATERIAL: COPPER ALLOY OVERALL
•
STYLE DESIGNATOR: ROUND BEND
•
NONMACHINE THREAD STYLE: GIMLET POINT (TYPE A, AB OR BA)
•
PROJECTION LENGTH: 1.500 INCHES NOMINAL IN
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.162 INCHES IN
•
WIRE DIAMETER: 0.162 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORROUND BEND
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
OVERALL LENGTH2.313 INCHES NOMINAL IN
PROJECTION LENGTH1.500 INCHES NOMINAL IN
NONMACHINE NOMINAL THREAD DIAMETER0.162 INCHES IN
WIRE DIAMETER0.162 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
11932Interchangeable
interchangeable cross-reference
interchangeable
3580S475-202Interchangeable
interchangeable cross-reference
interchangeable
AN6235-2Interchangeable
interchangeable cross-reference
interchangeable
89375Interchangeable
interchangeable cross-reference
interchangeable
972C704-1Interchangeable
interchangeable cross-reference
interchangeable
50FP2-632Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 981-1 1/2?
981-1 1/2 is a 981-1 1/2.
What parts can replace 981-1 1/2?
There are 14 known substitutes for 981-1 1/2: 11932, 3580S475-202, AN6235-2 and 11 more. Substitute compatibility should be verified for your specific system.
Is 981-1 1/2 still available?
981-1 1/2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026