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58578-16 — TAILPIECE,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

58578-16: TAILPIECE,UNION.

The TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304, seat_type: GASKET, overall_length: 1.562 INCHES NOMINAL IN, end_connection_type: WELDED, union_outside_diameter: 1.315 INCHES NOMINAL IN, nominal_pipe_size_designation: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-055-4391, 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
58578-16
NSN: 4730-01-055-4391
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 16780 — EATON AEROSPACE LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 304
seat_typeGASKET
overall_length1.562 INCHES NOMINAL IN
end_connection_typeWELDED
union_outside_diameter1.315 INCHES NOMINAL IN
nominal_pipe_size_designation1.000 INCHES IN
working_pressure_and_service_type3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM AIR LBS
NSN4730-01-055-4391
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 58578-16 · 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: 1.315 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE DESIGNATION: 1.000 INCHES IN
•
END CONNECTION TYPE: WELDED
•
SEAT TYPE: GASKET
•
MATERIAL: STEEL COMP 304
•
WORKING PRESSURE AND SERVICE TYPE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM AIR LBS
TECHNICAL CHARACTERISTICS
UNION OUTSIDE DIAMETER1.315 INCHES NOMINAL IN
NOMINAL PIPE SIZE DESIGNATION1.000 INCHES IN
END CONNECTION TYPEWELDED
OVERALL LENGTH1.562 INCHES NOMINAL IN
SEAT TYPEGASKET
MATERIALSTEEL COMP 304
WORKING PRESSURE AND SERVICE TYPE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM AIR 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 3
CV-58578-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
C-58578-16Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
190000Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 58578-16?
58578-16 is a TAILPIECE,UNION.
What parts can replace 58578-16?
There are 3 known substitutes for 58578-16: CV-58578-16, C-58578-16, 190000. Substitute compatibility should be verified for your specific system.
What is the NSN for 58578-16?
58578-16 is cataloged in the U.S. Government catalog under NSN 4730-01-055-4391. This indicates validated use in U.S. government and defense supply chains.
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