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6521-70-900-7047 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6521-70-900-7047: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-283-9281, 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
6521-70-900-7047
NSN: 5340-01-283-9281
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
Part Number6521-70-900-7047
NSN5340-01-283-9281
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6521-70-900-7047 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-250/13,ALLOY 7075-T6; 5.530 IN. LG; 3.010 IN. W; 1.530 IN. H; FOUR MTG HOLES 0.201 IN. DIA ON 3.875 IN. BY 2.250 IN. MTG CENTERS; FOUR MTG HOLES 0.194 IN. DIA SPACED 4.790 IN. APART ON TWO SURFACES; WELDED STRUCTURE C/O ONE CHANNEL AND TWO ANGLE BRACKETS; POLY URETHANE COATING,MIL-C-81773 IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6521-70-900-7047?
6521-70-900-7047 is a BRACKET,MOUNTING.
What is the NSN for 6521-70-900-7047?
6521-70-900-7047 is cataloged in the U.S. Government catalog under NSN 5340-01-283-9281. This indicates validated use in U.S. government and defense supply chains.
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