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PartsTable / COMPONENT / 3685621C1
3685621C1 ✓ 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 ELBOW,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 12L14 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.660 INCHES NOMINAL FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-566-6467, 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
3685621C1
NSN: 4730-01-566-6467
FSC: 4730
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 12L14 OVERALL
flow_angle90.0 DEGREES
leg_length1.660 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.750 INCHES SECOND END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identificationRG-31 MRAP RCV; MRAP BUFFALO MK2A2 - MEDIUM MINE PROTECTED VEHICLE - MMPV
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
NSN4730-01-566-6467
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3685621C1 · 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 8
35294735Interchangeable
interchangeable cross-reference
interchangeable
CV177875Interchangeable
interchangeable cross-reference
interchangeable
LT196-12Interchangeable
interchangeable cross-reference
interchangeable
2501-12-12Interchangeable
interchangeable cross-reference
interchangeable
7730GXInterchangeable
interchangeable cross-reference
interchangeable
MS51504A12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3685621C1?
3685621C1 is a ELBOW,PIPE TO TUBE.
What parts can replace 3685621C1?
There are 8 known substitutes for 3685621C1: 35294735, CV177875, LT196-12 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3685621C1?
3685621C1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-566-6467. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026