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57685 — SOCKET,HAND TURNING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

57685: SOCKET,HAND TURNING.

The SOCKET,HAND TURNING is a the manufacturer industrial component. Key specifications include end_item_identification: DDG-51 CLASS NAVAL SHIPS; ALLISON 501 GAS TURBINE ENGINE GENERATOR; 38FT SIZE STARTING CLUTCH FT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-935-3886, 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
57685
NSN: 5340-00-935-3886
NIINs: 009353886, 011540499, 015933081
FSC: 5340 — Hardware, Commercial
CAGE: 53655 — AVOX SYSTEMS INC DBA AVOX SYSTEMS INC (USA)
SPECIFICATIONS
end_item_identificationDDG-51 CLASS NAVAL SHIPS; ALLISON 501 GAS TURBINE ENGINE GENERATOR; 38FT SIZE STARTING CLUTCH FT
NSN5340-00-935-3886
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 57685 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
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HEAD HEIGHT: 0.060 INCHES NOMINAL IN
•
HOLE ACCOMMODATION DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.120 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STANDARD
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MATERIAL DOCUMENT AND CLASSIFICATION: ALLOY 260, FULL HARD NATIONAL SPEC SINGLE MATERIAL RESPONSE
•
PRONG OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.450 INCHES NOMINAL IN
HEAD HEIGHT0.060 INCHES NOMINAL IN
HOLE ACCOMMODATION DIAMETER0.500 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.120 INCHES NOMINAL IN
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONALLOY 260, FULL HARD NATIONAL SPEC SINGLE MATERIAL RESPONSE
PRONG OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL
HEAD OUTSIDE DIAMETER0.360 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 2
BS51338K1105Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
BS51338K2215Reference 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 57685?
57685 is a SOCKET,HAND TURNING.
What parts can replace 57685?
There are 2 known substitutes for 57685: BS51338K1105, BS51338K2215. Substitute compatibility should be verified for your specific system.
What is the NSN for 57685?
57685 is cataloged in the U.S. Government catalog under NSN 5340-00-935-3886. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.