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Technical Data Sheet
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HD0400 — COUPLING,CLAMP,GROOVED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HD0400: COUPLING,CLAMP,GROOVED.

The COUPLING,CLAMP,GROOVED is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-722-2671, 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
HD0400
NSN: 5340-01-722-2671
FSC: 5340 — Hardware, Commercial
CAGE: 60587 — FEDERAL EQUIPMENT CO (USA)
SPECIFICATIONS
Part NumberHD0400
NSN5340-01-722-2671
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HD0400 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 2
HD2219Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
HD2219 REV G FIND NO 17Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 HD0400?
HD0400 is a COUPLING,CLAMP,GROOVED.
What parts can replace HD0400?
There are 2 known substitutes for HD0400: HD2219, HD2219 REV G FIND NO 17. Substitute compatibility should be verified for your specific system.
What is the NSN for HD0400?
HD0400 is cataloged in the U.S. Government catalog under NSN 5340-01-722-2671. This indicates validated use in U.S. government and defense supply chains.
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