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1P9328 — REDUCER,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1P9328: REDUCER,PIPE.

The REDUCER,PIPE is a the manufacturer industrial component. Key specifications include special_features: HEIGHT 0.6 INCHES IN, nominal_overall_length: 3.750 INCHES IN, end_item_identification: 3805-01-566-0558; GRADER, ROAD, MOTORIZED, nominal_width_across_flats: 2.750 INCHES CENTER BULKHEAD IN, part_name_assigned_by_controlling_agency: FITTING. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-609-8334, 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
1P9328
NSN: 4730-01-609-8334
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
special_featuresHEIGHT 0.6 INCHES IN
nominal_overall_length3.750 INCHES IN
end_item_identification3805-01-566-0558; GRADER, ROAD, MOTORIZED
nominal_width_across_flats2.750 INCHES CENTER BULKHEAD IN
part_name_assigned_by_controlling_agencyFITTING
NSN4730-01-609-8334
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1P9328 · 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
•
NOMINAL WIDTH ACROSS FLATS: 2.750 INCHES CENTER BULKHEAD IN
•
NOMINAL OVERALL LENGTH: 3.750 INCHES IN
TECHNICAL CHARACTERISTICS
NOMINAL WIDTH ACROSS FLATS2.750 INCHES CENTER BULKHEAD IN
NOMINAL OVERALL LENGTH3.750 INCHES IN
SPECIAL FEATURESHEIGHT 0.6 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING
END ITEM IDENTIFICATION3805-01-566-0558; GRADER, ROAD, MOTORIZED
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1P9328?
1P9328 is a REDUCER,PIPE.
What is the NSN for 1P9328?
1P9328 is cataloged in the U.S. Government catalog under NSN 4730-01-609-8334. 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.