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PartsTable / COMPONENT / M3142-2006 PIECE 10
M3142-2006 PIECE 10 ✓ 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 TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 20.0 DEGREES ALL ENDS, thread_class: 2A CENTER BULKHEAD A, connection_style: FLARELESS (TUBE) ALL ENDS, style_designator: FLARELESS W/ OFFSET WRENCHING FACILITY, nominal_thread_size: 0.438 INCHES CENTER BULKHEAD 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 4730-01-347-4689, 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
M3142-2006 PIECE 10
NSN: 4730-01-347-4689
FSC: 4730
CAGE: 0ASY6 — DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle20.0 DEGREES ALL ENDS
thread_class2A CENTER BULKHEAD A
connection_styleFLARELESS (TUBE) ALL ENDS
style_designatorFLARELESS W/ OFFSET WRENCHING FACILITY
nominal_thread_size0.438 INCHES CENTER BULKHEAD IN
nominal_overall_length2.270 INCHES IN
thread_series_designatorUNF CENTER BULKHEAD
furnished_items_and_quantity4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT AND 1 LOCKNUT
nominal_outside_diameter_tube_accommodated0.250 INCHES ALL ENDS IN
NSN4730-01-347-4689
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M3142-2006 PIECE 10 · 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 5
4-4 WBZ-BInterchangeable
interchangeable cross-reference
interchangeable
100116-003Interchangeable
interchangeable cross-reference
interchangeable
4BUInterchangeable
interchangeable cross-reference
interchangeable
M3142-2006 PIECE 10L1Interchangeable
Same NIIN cross-reference
interchangeable
4BUL1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M3142-2006 PIECE 10?
M3142-2006 PIECE 10 is a TAILPIECE,UNION.
What parts can replace M3142-2006 PIECE 10?
There are 5 known substitutes for M3142-2006 PIECE 10: 4-4 WBZ-B, 100116-003, 4BU and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M3142-2006 PIECE 10?
M3142-2006 PIECE 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-347-4689. 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