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6405138-1 — ADAPTER,STRAIGHT,PIPE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6405138-1: 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: THREADED INTERNAL PIPE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, nominal_thread_size: 1.312 INCHES SECOND END IN, nominal_overall_length: 1.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-252-8417, 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
6405138-1
NSN: 4730-01-252-8417
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 55974 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER TEST SYSTEMS DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A SECOND END A
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
nominal_thread_size1.312 INCHES SECOND END IN
nominal_overall_length1.000 INCHES IN
thread_series_designatorNPTF FIRST END
furnished_items_and_quantity1 PREFORMED PACKING
NSN4730-01-252-8417
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6405138-1 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 PREFORMED PACKING
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
NOMINAL OVERALL LENGTH: 1.000 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL OVERALL LENGTH1.000 INCHES IN
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
NOMINAL THREAD SIZE1.312 INCHES SECOND END IN
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 3
16-12 F50G-SSReference document
Same NSN cross-reference
Reference document — Secondary reference
6405138Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
2438720Reference 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 6405138-1?
6405138-1 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 6405138-1?
There are 3 known substitutes for 6405138-1: 16-12 F50G-SS, 6405138, 2438720. Substitute compatibility should be verified for your specific system.
What is the NSN for 6405138-1?
6405138-1 is cataloged in the U.S. Government catalog under NSN 4730-01-252-8417. This indicates validated use in U.S. government and defense supply chains.
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