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PartsTable / COMPONENT / LL8-K36-143
LL8-K36-143 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 0.970 INCHES NOMINAL IN, overall_length: 4.125 INCHES NOMINAL IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-037-4932, 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
LL8-K36-143
NSN: 4730-01-037-4932
FSC: 4730
CAGE: 73992 — TUTHILL CORP HANSEN COUPLING DIV (USA)
SPECIFICATIONS
materialSTEEL BODY
leg_length0.970 INCHES NOMINAL IN
overall_length4.125 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentPASSIVATE BODY
nominal_thread_size1.000 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size1.000 INCHES ALL ENDS IN
material_document_and_classificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN4730-01-037-4932
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: LL8-K36-143 · 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 18
6511185Interchangeable
interchangeable cross-reference
interchangeable
91594521Interchangeable
interchangeable cross-reference
interchangeable
851A313PK-005Interchangeable
interchangeable cross-reference
interchangeable
LL8KP36143Interchangeable
interchangeable cross-reference
interchangeable
L34245P02Interchangeable
interchangeable cross-reference
interchangeable
L34245P01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LL8-K36-143?
LL8-K36-143 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace LL8-K36-143?
There are 18 known substitutes for LL8-K36-143: 6511185, 91594521, 851A313PK-005 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LL8-K36-143?
LL8-K36-143 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-037-4932. 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