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PartsTable / COMPONENT / 12641635
12641635 ✓ 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 HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED EXTERNAL HOSE SECOND END, connection_style: BARBED OR BEADED (HOSE) SECOND END, special_features: 3955-01-281-7747, nominal_thread_size: 0.750 INCHES FIRST END IN, nominal_overall_length: 1.875 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-230-6584, 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
12641635
NSN: 4730-01-230-6584
FSC: 4730
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED EXTERNAL HOSE SECOND END
connection_styleBARBED OR BEADED (HOSE) SECOND END
special_features3955-01-281-7747
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length1.875 INCHES IN
thread_series_designatorNPTF FIRST END
criticality_code_justificationZZZY
nominal_inside_diameter_hose_accommodated0.750 INCHES SECOND END IN
reference_number_differentiating_characteristicsSPECIAL CLEAN FOR LOX SERVICE IAW 1552AS201
NSN4730-01-230-6584
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12641635 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
13217E7108Interchangeable
interchangeable cross-reference
interchangeable
125HBL-5-4Interchangeable
interchangeable cross-reference
interchangeable
102-05-04Interchangeable
interchangeable cross-reference
interchangeable
105038-102Interchangeable
interchangeable cross-reference
interchangeable
B2MHC3SInterchangeable
interchangeable cross-reference
interchangeable
23-1499Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12641635?
12641635 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 12641635?
There are 16 known substitutes for 12641635: 13217E7108, 125HBL-5-4, 102-05-04 and 13 more. Substitute compatibility should be verified for your specific system.
Is 12641635 still available?
12641635 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026