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Technical Data Sheet
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B404-SS — ADAPTER,STRAIGHT,PIPE TO GAS FIT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

B404-SS: ADAPTER,STRAIGHT,PIPE TO GAS FIT.

ADAPTER,STRAIGHT,PIPE TO GAS FIT. This part is cataloged in the U.S. Government catalog under NSN 4730-01-715-9927, 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
B404-SS
NSN: 4730-01-715-9927
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 592U4 — HOFMANN FLUID POWER, INC. (USA)
SPECIFICATIONS
Part NumberB404-SS
NSN4730-01-715-9927
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B404-SS · 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
4106AS0120Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 B404-SS?
B404-SS is a ADAPTER,STRAIGHT,PIPE TO GAS FIT.
What parts can replace B404-SS?
There is 1 known substitute for B404-SS: 4106AS0120. Substitute compatibility should be verified for your specific system.
What is the NSN for B404-SS?
B404-SS is cataloged in the U.S. Government catalog under NSN 4730-01-715-9927. 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.