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A4681 — A4681

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A4681: A4681.

The A4681 is a the manufacturer industrial component. Key specifications include precious_material: GOLD, precious_material_and_location: BODY SURFACE GOLD. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-769-8438, 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
MRO→ MRO_GENERAL→ A4681
NSN: 5340-00-769-8438
NIINs: 007698438, 012228370
FSC: 5340 — Hardware, Commercial
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
special_featuresALUMINUM ALLOY 6063-T5 PER QQ-A-200/9,GOLD CHROMATE PER MIL-C-5541,CLASS 3; 4.812 IN. MAX LG; 3.015 IN. MAX W; 1.265 IN. MAX H; FOUR MTG SLOTS SPACED 2.500 IN. BY 4.375 IN. C TO C IN
precious_materialGOLD
precious_material_and_locationBODY SURFACE GOLD
NSN5340-00-769-8438
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A4681 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
SUBSTITUTES & CROSS-REFERENCES 2
GTB16849BReference document
Same NSN cross-reference
Reference document — Secondary reference
GTB16849AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A4681?
A4681 is a A4681. It is classified as a MRO (MRO_GENERAL).
What parts can replace A4681?
There are 2 known substitutes for A4681: GTB16849B, GTB16849A. Substitute compatibility should be verified for your specific system.
What is the NSN for A4681?
A4681 is cataloged in the U.S. Government catalog under NSN 5340-00-769-8438. This indicates validated use in U.S. government and defense supply chains.
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