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Technical Data Sheet
PartsTable / COMPONENT / M10387-2-B-11
M10387-2-B-11 ✓ 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,CLAMP,PIPE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC GASKET, pipe_size_accommodated: 6.000 INCHES NOMINAL IN, working_pressure_rating: 1000.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG, end_type_for_which_designed: GROOVED, nondefinitive_spec/std_data: 1 TYPE, tube_outside_diameter_for_which_designed: 6.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-288-9514, 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
M10387-2-B-11
NSN: 4730-00-288-9514
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SYNTHETIC GASKET
segment_quantity2
pipe_size_accommodated6.000 INCHES NOMINAL IN
working_pressure_rating1000.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG
end_type_for_which_designedGROOVED
nondefinitive_spec/std_data1 TYPE
tube_outside_diameter_for_which_designed6.625 INCHES NOMINAL IN
NSN4730-00-288-9514
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M10387-2-B-11 · 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
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
PIPE SIZE ACCOMMODATED: 6.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC GASKET
•
END TYPE FOR WHICH DESIGNED: GROOVED
•
WORKING PRESSURE RATING: 1000.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG
•
SEGMENT QUANTITY: 2
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 6.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE
PIPE SIZE ACCOMMODATED6.000 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC GASKET
END TYPE FOR WHICH DESIGNEDGROOVED
WORKING PRESSURE RATING1000.000 KILOGRAMS PER SQUARE CENTIMETER NOMINAL KG
MATERIALIRON MALLEABLE HOUSING
SEGMENT QUANTITY2
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED6.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
77A1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
1025-30108 PC8Interchangeable
interchangeable cross-reference
interchangeable
77A1-1-2Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-10387Interchangeable
interchangeable cross-reference
interchangeable
MILC10387BInterchangeable
interchangeable cross-reference
interchangeable
100SERIES4INGR00VETYPE2BUTYLInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M10387-2-B-11?
M10387-2-B-11 is a COUPLING,CLAMP,PIPE.
What parts can replace M10387-2-B-11?
There are 22 known substitutes for M10387-2-B-11: 77A1-1/2IN, 1025-30108 PC8, 77A1-1-2 and 19 more. Substitute compatibility should be verified for your specific system.
Is M10387-2-B-11 still available?
M10387-2-B-11 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