PartsTable
Technical Data Sheet
10639256-1 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: PLAIN (PIPE) FIRST END, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 1.062 INCHES SECOND END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-188-3184, 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
10639256-1
NSN: 4730-01-188-3184
FSC: 4730
CAGE: 56161 — GENERAL DYNAMICS LAND SYSTEMS CANADACORP (CAN)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_stylePLAIN (PIPE) FIRST END
surface_treatmentCADMIUM OVERALL
nominal_thread_size1.062 INCHES SECOND END IN
nominal_overall_length1.719 INCHES IN
thread_quantity_per_inch12 SECOND END
thread_series_designatorNPTF FIRST END
furnished_items_and_quantity1 PREFORMED PACKING
NSN4730-01-188-3184
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 10639256-1 · 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
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
THREAD CLASS: 2A SECOND END A
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
SURFACE TREATMENT: CADMIUM OVERALL
FURNISHED ITEMS AND QUANTITY: 1 PREFORMED PACKING
NOMINAL THREAD SIZE: 1.062 INCHES SECOND END IN
NOMINAL OVERALL LENGTH: 1.719 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
THREAD CLASS2A SECOND END A
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
SURFACE TREATMENTCADMIUM OVERALL
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
NOMINAL THREAD SIZE1.062 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.719 INCHES IN
THREAD SERIES DESIGNATORNPTF FIRST END
CONNECTION STYLEPLAIN (PIPE) FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
D00Z-5A212-GInterchangeable
interchangeable cross-reference
interchangeable
E4433-4Interchangeable
interchangeable cross-reference
interchangeable
7411362P1Interchangeable
interchangeable cross-reference
interchangeable
100-564Interchangeable
interchangeable cross-reference
interchangeable
107A-942Interchangeable
Same NIIN cross-reference
interchangeable
A107A-SCHInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10639256-1?
10639256-1 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 10639256-1?
There are 7 known substitutes for 10639256-1: D00Z-5A212-G, E4433-4, 7411362P1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10639256-1?
10639256-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-188-3184. This indicates validated use in U.S. government and defense supply chains.
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