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Technical Data Sheet
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11972A — LIFT ARM

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11972A: LIFT ARM.

The LIFT ARM is a the manufacturer industrial component. Key specifications include end_item_identification: 2590015885057. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-298-0647, 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
11972A
NSN: 5330-00-298-0647
NIINs: 002980647, 004163868, 016023817
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
end_item_identification2590015885057
NSN5330-00-298-0647
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11972A 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
•
SEAL WIDTH: 0.375 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR-OPPOSED
•
HOUSING BORE DIAMETER: 1.561 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 0.875 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.375 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR-OPPOSED
HOUSING BORE DIAMETER1.561 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER0.875 INCHES NOMINAL IN
MATERIALSTEEL CASE
MATERIALLEATHER AND RUBBER SYNTHETIC SEALING ELEMENT A
MATERIALLEATHER AND RUBBER SYNTHETIC SEALING ELEMENT B
SUBSTITUTES & CROSS-REFERENCES 2
206573Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
12-529-54Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 11972A?
11972A is a LIFT ARM.
What parts can replace 11972A?
There are 2 known substitutes for 11972A: 206573, 12-529-54. Substitute compatibility should be verified for your specific system.
What is the NSN for 11972A?
11972A is cataloged in the U.S. Government catalog under NSN 5330-00-298-0647. 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.