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Technical Data Sheet
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521944-802 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

521944-802: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-652-0774, 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
521944-802
NSN: 5340-01-652-0774
FSC: 5340 — Hardware, Commercial
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
Part Number521944-802
NSN5340-01-652-0774
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 521944-802 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 1
521944Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 521944-802?
521944-802 is a BRACKET,MOUNTING.
What parts can replace 521944-802?
There is 1 known substitute for 521944-802: 521944. Substitute compatibility should be verified for your specific system.
What is the NSN for 521944-802?
521944-802 is cataloged in the U.S. Government catalog under NSN 5340-01-652-0774. This indicates validated use in U.S. government and defense supply chains.
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