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Technical Data Sheet
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12934821 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12934821: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-330-5477, 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
12934821
NSN: 5340-01-330-5477
FSC: 5340 — Hardware, Commercial
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
Part Number12934821
NSN5340-01-330-5477
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12934821 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESALUMINUM ALLOY,QQ-A-250/8,H34 OR H321,ALLOY 5052; 0.125 IN. THK; 3.590 IN. W; 6.000 IN. LG; 0.120 IN. MIN AND 0.140 IN. MAX HOLE DIA TWO PLACES; 0.270 IN. MIN AND 0.280 IN. MAX W BY 0.640 IN. LG SLOT THREE PLACES: 0.120 IN. MIN AND 0.140 IN. MAX W BY 0.350 IN. LG SLOT TWO PLACES IN
SUBSTITUTES & CROSS-REFERENCES 1
12579607Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 12934821?
12934821 is a BRACKET,MOUNTING.
What parts can replace 12934821?
There is 1 known substitute for 12934821: 12579607. Substitute compatibility should be verified for your specific system.
What is the NSN for 12934821?
12934821 is cataloged in the U.S. Government catalog under NSN 5340-01-330-5477. This indicates validated use in U.S. government and defense supply chains.
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