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55155400 — PISTON,VALVE,POWER BRAKE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

55155400: PISTON,VALVE,POWER BRAKE.

The PISTON,VALVE,POWER BRAKE is a the manufacturer industrial component. Key specifications include style_designator: WIRE, fastening_device_type: SPRING TENSION, end_item_identification: AS32H5A AIRCRAFT.. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-184-4273, 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
55155400
NSN: 4730-01-184-4273
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
style_designatorWIRE
fastening_device_typeSPRING TENSION
end_item_identificationAS32H5A AIRCRAFT.
NSN4730-01-184-4273
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 55155400 · 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
KEY FEATURES
•
FASTENING DEVICE TYPE: SPRING TENSION
•
STYLE DESIGNATOR: WIRE
TECHNICAL CHARACTERISTICS
FASTENING DEVICE TYPESPRING TENSION
STYLE DESIGNATORWIRE
END ITEM IDENTIFICATIONAS32H5A AIRCRAFT.
SUBSTITUTES & CROSS-REFERENCES 1
551554Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55155400?
55155400 is a PISTON,VALVE,POWER BRAKE.
What parts can replace 55155400?
There is 1 known substitute for 55155400: 551554. Substitute compatibility should be verified for your specific system.
What is the NSN for 55155400?
55155400 is cataloged in the U.S. Government catalog under NSN 4730-01-184-4273. 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.