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MILC10387TYPE3 — COUPLING,CLAMP,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MILC10387TYPE3: COUPLING,CLAMP,PIPE.

The COUPLING,CLAMP,PIPE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY HOUSING, special_features: W/BOLTS AND NUTS ZINC ELECTROPLATED, pipe_size_accommodated: 4.000 INCHES NOMINAL IN, end_type_for_which_designed: GROOVED, nondefinitive_spec/std_data: 3 TYPE, tube_outside_diameter_for_which_designed: 4.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-640-6512, 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
MILC10387TYPE3
NSN: 4730-00-640-6512
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY HOUSING
segment_quantity2
special_featuresW/BOLTS AND NUTS ZINC ELECTROPLATED
pipe_size_accommodated4.000 INCHES NOMINAL IN
end_type_for_which_designedGROOVED
nondefinitive_spec/std_data3 TYPE
tube_outside_diameter_for_which_designed4.500 INCHES NOMINAL IN
NSN4730-00-640-6512
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MILC10387TYPE3 · 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
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 4.500 INCHES NOMINAL IN
•
PIPE SIZE ACCOMMODATED: 4.000 INCHES NOMINAL IN
•
END TYPE FOR WHICH DESIGNED: GROOVED
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE
•
SEGMENT QUANTITY: 2
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR GASKET
TECHNICAL CHARACTERISTICS
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED4.500 INCHES NOMINAL IN
PIPE SIZE ACCOMMODATED4.000 INCHES NOMINAL IN
END TYPE FOR WHICH DESIGNEDGROOVED
NONDEFINITIVE SPEC/STD DATA3 TYPE
SPECIAL FEATURESW/BOLTS AND NUTS ZINC ELECTROPLATED
SEGMENT QUANTITY2
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR GASKET
MATERIALALUMINUM ALLOY HOUSING
SUBSTITUTES & CROSS-REFERENCES 3
M10387-1-B-09Reference document
Same NSN cross-reference
Reference document — Secondary reference
B101-4NZReference document
Same NSN cross-reference
Reference document — Secondary reference
77A4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MILC10387TYPE3?
MILC10387TYPE3 is a COUPLING,CLAMP,PIPE.
What parts can replace MILC10387TYPE3?
There are 3 known substitutes for MILC10387TYPE3: M10387-1-B-09, B101-4NZ, 77A4. Substitute compatibility should be verified for your specific system.
What is the NSN for MILC10387TYPE3?
MILC10387TYPE3 is cataloged in the U.S. Government catalog under NSN 4730-00-640-6512. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.