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Technical Data Sheet
PartsTable / COMPONENT / 3861T83
3861T83 ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: PLAIN W/ CENTER WRENCHING FACILITY, nominal_thread_size: 0.375 INCHES ALL ENDS IN, nominal_overall_length: 1.406 INCHES 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 4730-01-243-4829, 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
3861T83
NSN: 4730-01-243-4829
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorPLAIN W/ CENTER WRENCHING FACILITY
nominal_thread_size0.375 INCHES ALL ENDS IN
nominal_overall_length1.406 INCHES IN
thread_series_designatorNPT ALL ENDS
NSN4730-01-243-4829
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3861T83 · 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
•
NOMINAL OVERALL LENGTH: 1.406 INCHES IN
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
MATERIAL: ALUMINUM OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
STYLE DESIGNATOR: PLAIN W/ CENTER WRENCHING FACILITY
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH1.406 INCHES IN
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
MATERIALALUMINUM OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
STYLE DESIGNATORPLAIN W/ CENTER WRENCHING FACILITY
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
154886Interchangeable
interchangeable cross-reference
interchangeable
610.109-LInterchangeable
interchangeable cross-reference
interchangeable
154883Interchangeable
interchangeable cross-reference
interchangeable
154887Interchangeable
interchangeable cross-reference
interchangeable
3861T53Interchangeable
interchangeable cross-reference
interchangeable
154889Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3861T83?
3861T83 is a NIPPLE,PIPE.
What parts can replace 3861T83?
There are 6 known substitutes for 3861T83: 154886, 610.109-L, 154883 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3861T83?
3861T83 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-243-4829. 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