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6550-60-901-5101 — REDUCER,FIRE EXTINGUISHER SYSTEM

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6550-60-901-5101: REDUCER,FIRE EXTINGUISHER SYSTEM.

REDUCER,FIRE EXTINGUISHER SYSTEM. Key specifications include end_item_identification: AIRCRAFT MODEL H-53, general_characteristics_item_description: CRES,QQ-S-763 COND A,1.400 IN.LG O/A,0.969 IN. MIN,0.972 IN.

MAX DIA O/A IN. This part is cataloged in the U.S. Government catalog under NSN 4730-00-952-6825, 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
6550-60-901-5101
NSN: 4730-00-952-6825
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL H-53
general_characteristics_item_descriptionCRES,QQ-S-763 COND A,1.400 IN.LG O/A,0.969 IN. MIN,0.972 IN. MAX DIA O/A IN
NSN4730-00-952-6825
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6550-60-901-5101 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,QQ-S-763 COND A,1.400 IN.LG O/A,0.969 IN. MIN,0.972 IN. MAX DIA O/A IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,QQ-S-763 COND A,1.400 IN.LG O/A,0.969 IN. MIN,0.972 IN. MAX DIA O/A IN
END ITEM IDENTIFICATIONAIRCRAFT MODEL H-53
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 6550-60-901-5101?
6550-60-901-5101 is a REDUCER,FIRE EXTINGUISHER SYSTEM.
What is the NSN for 6550-60-901-5101?
6550-60-901-5101 is cataloged in the U.S. Government catalog under NSN 4730-00-952-6825. 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.