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845-4775990PC11M0D — TAILPIECE,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

845-4775990PC11M0D: TAILPIECE,UNION.

The TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, seat_type: GASKET, end_connection_type: WELDED, union_outside_diameter: 0.500 INCHES NOMINAL IN, nominal_pipe_size_designation: 0.750 INCHES IN, working_pressure_and_service_type: 5100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-087-4653, 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
845-4775990PC11M0D
NSN: 4730-01-087-4653
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304
seat_typeGASKET
end_connection_typeWELDED
union_outside_diameter0.500 INCHES NOMINAL IN
nominal_pipe_size_designation0.750 INCHES IN
working_pressure_and_service_type5100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS
NSN4730-01-087-4653
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 845-4775990PC11M0D · 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
•
UNION OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE DESIGNATION: 0.750 INCHES IN
•
END CONNECTION TYPE: WELDED
•
SEAT TYPE: GASKET
•
MATERIAL: STEEL COMP 304
•
WORKING PRESSURE AND SERVICE TYPE: 5100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS
TECHNICAL CHARACTERISTICS
UNION OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
NOMINAL PIPE SIZE DESIGNATION0.750 INCHES IN
END CONNECTION TYPEWELDED
SEAT TYPEGASKET
MATERIALSTEEL COMP 304
WORKING PRESSURE AND SERVICE TYPE5100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS
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 1
16-97-0473Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 845-4775990PC11M0D?
845-4775990PC11M0D is a TAILPIECE,UNION.
What parts can replace 845-4775990PC11M0D?
There is 1 known substitute for 845-4775990PC11M0D: 16-97-0473. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-4775990PC11M0D?
845-4775990PC11M0D is cataloged in the U.S. Government catalog under NSN 4730-01-087-4653. 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.