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712881 — 712881

✓ Government record, cited
GE AVIATION SYSTEMS LLC · ORING SEAL
PRODUCT OVERVIEW

712881: 712881.

The 712881 is a GE AVIATION SYSTEMS LLC industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-456-0750, 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
712881
NSN: 5340-01-456-0750
FSC: 5340 — Hardware, Commercial
CAGE: 35012 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
Part Number712881
ManufacturerGE AVIATION SYSTEMS LLC
NSN5340-01-456-0750
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 712881 MFR: GE AVIATION SYSTEMS LLC ⚠ 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
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SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
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SECOND LEG WIDTH: 2.5800 INCHES NOMINAL IN
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SECOND LEG LENGTH: 1.2500 INCHES NOMINAL IN
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FIRST LEG HOLE ARRANGEMENT STYLE: NO HOLE
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STYLE DESIGNATOR: ANGLE
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FIRST LEG STYLE: SQUARE
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A
SECOND LEG WIDTH2.5800 INCHES NOMINAL IN
SECOND LEG LENGTH1.2500 INCHES NOMINAL IN
FIRST LEG HOLE ARRANGEMENT STYLENO HOLE
STYLE DESIGNATORANGLE
FIRST LEG STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE
SECOND LEG THICKNESS0.0900 INCHES NOMINAL IN
FIRST LEG THICKNESS0.0900 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 712881?
712881 is a 712881 manufactured by GE AVIATION SYSTEMS LLC.
What is the NSN for 712881?
712881 is cataloged in the U.S. Government catalog under NSN 5340-01-456-0750. 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.