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377 9121 001 — CYLINDER ASSEMBLY,ACTUATING,LINE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

377 9121 001: CYLINDER ASSEMBLY,ACTUATING,LINE.

CYLINDER ASSEMBLY,ACTUATING,LINE. This part is cataloged in the U.S. Government catalog under NSN 4730-01-323-5038, 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
377 9121 001
NSN: 4730-01-323-5038
NIINs: 013235038, 013236029, 013249201, 013249391
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 13829 — PARKER HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
Part Number377 9121 001
NSN4730-01-323-5038
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 377 9121 001 · 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
4730013235038Reference 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 377 9121 001?
377 9121 001 is a CYLINDER ASSEMBLY,ACTUATING,LINE.
What parts can replace 377 9121 001?
There is 1 known substitute for 377 9121 001: 4730013235038. Substitute compatibility should be verified for your specific system.
What is the NSN for 377 9121 001?
377 9121 001 is cataloged in the U.S. Government catalog under NSN 4730-01-323-5038. 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.