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R1223-57 — TAILPIECE,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

R1223-57: TAILPIECE,UNION.

The TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400, special_features: TUBE SIZE 0.380, end_item_identification: PUMP, CENTRIFUGE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-399-0959, 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
R1223-57
NSN: 4730-01-399-0959
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400
special_featuresTUBE SIZE 0.380
end_item_identificationPUMP, CENTRIFUGE
NSN4730-01-399-0959
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: R1223-57 · 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
•
MATERIAL: NICKEL ALLOY 400
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESTUBE SIZE 0.380
END ITEM IDENTIFICATIONPUMP, CENTRIFUGE
MATERIALNICKEL ALLOY 400
SUBSTITUTES & CROSS-REFERENCES 3
H804R-6-MONELSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PL-999F0815-57Reference document
Same NSN cross-reference
Reference document — Secondary reference
999F0815Reference 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 R1223-57?
R1223-57 is a TAILPIECE,UNION.
What parts can replace R1223-57?
There are 3 known substitutes for R1223-57: H804R-6-MONEL, PL-999F0815-57, 999F0815. Substitute compatibility should be verified for your specific system.
What is the NSN for R1223-57?
R1223-57 is cataloged in the U.S. Government catalog under NSN 4730-01-399-0959. 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.