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1857-64569N — ADAPTER,STRAIGHT,PIPE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1857-64569N: ADAPTER,STRAIGHT,PIPE TO BOSS.

The ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A SECOND END A, connection_type: UNTHREADED INTERNAL PIPE FIRST END, connection_style: SOCKET (PIPE) FIRST END, nominal_thread_size: 0.437 INCHES SECOND END IN, nominal_overall_length: 1.390 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-199-3121, 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
1857-64569N
NSN: 4730-01-199-3121
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 55683 — WHEELER FLEET SOLUTIONS, CO. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SECOND END A
connection_typeUNTHREADED INTERNAL PIPE FIRST END
connection_styleSOCKET (PIPE) FIRST END
nominal_thread_size0.437 INCHES SECOND END IN
nominal_overall_length1.390 INCHES IN
media_for_which_designedGAS, LIQUEFIED SINGLE RESPONSE
thread_series_designatorUNF SECOND END
nominal_pipe_size_accommodated0.250 INCHES FIRST END IN
NSN4730-01-199-3121
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1857-64569N · 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 PIPE SIZE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
CONNECTION STYLE: SOCKET (PIPE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.390 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END
•
NOMINAL THREAD SIZE: 0.437 INCHES SECOND END IN
•
MEDIA FOR WHICH DESIGNED: GAS, LIQUEFIED SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST END IN
CONNECTION STYLESOCKET (PIPE) FIRST END
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH1.390 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
NOMINAL THREAD SIZE0.437 INCHES SECOND END IN
MEDIA FOR WHICH DESIGNEDGAS, LIQUEFIED SINGLE RESPONSE
THREAD CLASS2A SECOND END A
MATERIALSTEEL CORROSION RESISTING OVERALL
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
64569NReference document
Same NSN cross-reference
Reference document — Secondary reference
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 1857-64569N?
1857-64569N is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 1857-64569N?
There is 1 known substitute for 1857-64569N: 64569N. Substitute compatibility should be verified for your specific system.
What is the NSN for 1857-64569N?
1857-64569N is cataloged in the U.S. Government catalog under NSN 4730-01-199-3121. This indicates validated use in U.S. government and defense supply chains.
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