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ESR40 — BUCKLE SIDE RELEASE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ESR40: BUCKLE SIDE RELEASE.

The BUCKLE SIDE RELEASE is a the manufacturer industrial component. Key specifications include end_item_identification: 1055011644608. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-487-5663, 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
ESR40
NSN: 5340-01-487-5663
FSC: 5340 — Hardware, Commercial
CAGE: FARB8 — K PLAST (FRA)
SPECIFICATIONS
end_item_identification1055011644608
NSN5340-01-487-5663
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ESR40 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
END ITEM IDENTIFICATION1055011644608
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 3
29705T361Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
000503-996Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
150-0150Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ESR40?
ESR40 is a BUCKLE SIDE RELEASE.
What parts can replace ESR40?
There are 3 known substitutes for ESR40: 29705T361, 000503-996, 150-0150. Substitute compatibility should be verified for your specific system.
What is the NSN for ESR40?
ESR40 is cataloged in the U.S. Government catalog under NSN 5340-01-487-5663. This indicates validated use in U.S. government and defense supply chains.
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