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Technical Data Sheet
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445686 ✓ 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A A, thread_length: 1.250 INCHES NOMINAL IN, pin_grip_length: 5.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, pin_overall_length: 6.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-044-4581, 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
445686
NSN: 4730-00-044-4581
FSC: 4730
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A A
thread_length1.250 INCHES NOMINAL IN
pin_grip_length5.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
pin_overall_length6.250 INCHES NOMINAL IN
first_hole_diameter0.125 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
pin_overall_diameter0.7500 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
thread_series_designatorUNF
distance_from_centerline_of_hole_to_end_of_pin0.188 INCHES NOMINAL IN
NSN4730-00-044-4581
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 445686 · 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 21
20972R1Interchangeable
interchangeable cross-reference
interchangeable
444583Interchangeable
interchangeable cross-reference
interchangeable
VA804Interchangeable
interchangeable cross-reference
interchangeable
4730001874202Interchangeable
interchangeable cross-reference
interchangeable
WWP471Interchangeable
interchangeable cross-reference
interchangeable
AA59616AASBCCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 445686?
445686 is a PLUG,PIPE.
What parts can replace 445686?
There are 21 known substitutes for 445686: 20972R1, 444583, VA804 and 18 more. Substitute compatibility should be verified for your specific system.
Is 445686 still available?
445686 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