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491-0045-010 — ADAPTER,STRAIGHT,FLANGE TO PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

491-0045-010: ADAPTER,STRAIGHT,FLANGE TO PIPE.

ADAPTER,STRAIGHT,FLANGE TO PIPE. Key specifications include nominal_length: 4.703 INCHES ALL ENDS IN, bolt_hole_quantity: 3 ALL ENDS, end_item_identification: 4320-01-507-0595, part_name_assigned_by_controlling_agency: 2" SPHE SUCTION FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-617-9803, 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
491-0045-010
NSN: 4730-01-617-9803
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3C2U0 — J-LINE PUMP CO. DBA AMERICAN-MARSH PUMPS (USA)
SPECIFICATIONS
nominal_length4.703 INCHES ALL ENDS IN
bolt_hole_quantity3 ALL ENDS
end_item_identification4320-01-507-0595
part_name_assigned_by_controlling_agency2" SPHE SUCTION FLANGE
NSN4730-01-617-9803
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 491-0045-010 · 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 LENGTH: 4.703 INCHES ALL ENDS IN
•
BOLT HOLE QUANTITY: 3 ALL ENDS
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH4.703 INCHES ALL ENDS IN
BOLT HOLE QUANTITY3 ALL ENDS
PART NAME ASSIGNED BY CONTROLLING AGENCY2" SPHE SUCTION FLANGE
END ITEM IDENTIFICATION4320-01-507-0595
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 491-0045-010?
491-0045-010 is a ADAPTER,STRAIGHT,FLANGE TO PIPE.
What is the NSN for 491-0045-010?
491-0045-010 is cataloged in the U.S. Government catalog under NSN 4730-01-617-9803. 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.