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Technical Data Sheet
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12638666 — CLAMP,HOSE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

12638666: CLAMP,HOSE.

The CLAMP,HOSE is a the manufacturer industrial component. Key specifications include end_item_identification: 2320-01-676-3797, part_name_assigned_by_controlling_agency: LOCK SHIM. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-667-1970, 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
12638666
NSN: 4730-01-667-1970
NIINs: 016671970, 017060167
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identification2320-01-676-3797
part_name_assigned_by_controlling_agencyLOCK SHIM
NSN4730-01-667-1970
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12638666 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
12602093Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 12638666?
12638666 is a CLAMP,HOSE.
What parts can replace 12638666?
There is 1 known substitute for 12638666: 12602093. Substitute compatibility should be verified for your specific system.
What is the NSN for 12638666?
12638666 is cataloged in the U.S. Government catalog under NSN 4730-01-667-1970. 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.