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11478257 — BUCKLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11478257: BUCKLE.

The BUCKLE is a the manufacturer industrial component. Key specifications include insignia: NOT INCLUDED, material: STEEL COMP 303 SPACER, overall_width: 1.390 INCHES NOMINAL IN, overall_length: 2.380 INCHES NOMINAL IN, enameled_feature: INCLUDED, buckle_style_designator: SPRING ACTIVATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-466-6416, 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
11478257
NSN: 5340-01-466-6416
FSC: 5340 — Hardware, Commercial
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
insigniaNOT INCLUDED
materialSTEEL COMP 303 SPACER
overall_width1.390 INCHES NOMINAL IN
overall_length2.380 INCHES NOMINAL IN
enameled_featureINCLUDED
buckle_style_designatorSPRING ACTIVATED
end_item_identification1430010876330
strap_accommodation_width1.030 INCHES NOMINAL IN
material_document_and_classificationASTM A582, TYPE 303, COND A ASSN STD SINGLE MATERIAL RESPONSE SPACER
NSN5340-01-466-6416
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11478257 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
KEY FEATURES
•
BUCKLE STYLE DESIGNATOR: SPRING ACTIVATED
•
STRAP ACCOMMODATION WIDTH: 1.030 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582, TYPE 303, COND A ASSN STD SINGLE MATERIAL RESPONSE SPACER
•
INSIGNIA: NOT INCLUDED
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
BUCKLE STYLE DESIGNATORSPRING ACTIVATED
STRAP ACCOMMODATION WIDTH1.030 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582, TYPE 303, COND A ASSN STD SINGLE MATERIAL RESPONSE SPACER
OVERALL LENGTH2.380 INCHES NOMINAL IN
OVERALL WIDTH1.390 INCHES NOMINAL IN
INSIGNIANOT INCLUDED
COLORBLACK
END ITEM IDENTIFICATION1430010876330
MATERIALSTEEL COMP 303 SPACER
ENAMELED FEATUREINCLUDED
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 2
FDC1575C3Reference document
Same NSN cross-reference
Reference document — Secondary reference
R-10-01093Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 11478257?
11478257 is a BUCKLE.
What parts can replace 11478257?
There are 2 known substitutes for 11478257: FDC1575C3, R-10-01093. Substitute compatibility should be verified for your specific system.
What is the NSN for 11478257?
11478257 is cataloged in the U.S. Government catalog under NSN 5340-01-466-6416. This indicates validated use in U.S. government and defense supply chains.
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