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HCF816 — SPRING CONTROL VALV

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

HCF816: SPRING CONTROL VALV.

The SPRING CONTROL VALV is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-740-9648, 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
HCF816
NSN: 5340-00-740-9648
FSC: 5340 — Hardware, Commercial
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
Part NumberHCF816
NSN5340-00-740-9648
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HCF816 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
915584Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HCF816?
HCF816 is a SPRING CONTROL VALV.
What parts can replace HCF816?
There is 1 known substitute for HCF816: 915584. Substitute compatibility should be verified for your specific system.
What is the NSN for HCF816?
HCF816 is cataloged in the U.S. Government catalog under NSN 5340-00-740-9648. This indicates validated use in U.S. government and defense supply chains.
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