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MILC10387 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 4.593 INCHES NOMINAL IN, special_features: USED IN PIPELINE CONSTRUCTION, style_designator: CIRCULAR, aperture_diameter: 4.000 INCHES NOMINAL 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 4730-00-062-6339, 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
MILC10387
NSN: 4730-00-062-6339
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hardness_rating60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter4.593 INCHES NOMINAL IN
segment_quantity2
special_featuresUSED IN PIPELINE CONSTRUCTION
style_designatorCIRCULAR
aperture_diameter4.000 INCHES NOMINAL IN
inner_groove_width0.531 INCHES NOMINAL IN
peripheral_diameter5.266 INCHES NOMINAL IN
center_hole_diameter4.078 INCHES NOMINAL IN
inside_corner_radius0.125 INCHES NOMINAL IN
outside_corner_radius0.062 INCHES NOMINAL IN
NSN4730-00-062-6339
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MILC10387 · 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
•
MATERIAL: ALUMINUM ALLOY HOUSING
•
PIPE SIZE ACCOMMODATED: 1.500 INCHES NOMINAL IN
•
SEGMENT QUANTITY: 2
•
END TYPE FOR WHICH DESIGNED: GROOVED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY HOUSING
MATERIALRUBBER SYNTHETIC GASKET
PIPE SIZE ACCOMMODATED1.500 INCHES NOMINAL IN
SEGMENT QUANTITY2
END TYPE FOR WHICH DESIGNEDGROOVED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
MIL-C-10387Interchangeable
interchangeable cross-reference
interchangeable
MILC10387BInterchangeable
interchangeable cross-reference
interchangeable
100SERIES4INGR00VETYPE2BUTYLInterchangeable
interchangeable cross-reference
interchangeable
77DTInterchangeable
interchangeable cross-reference
interchangeable
A-A-52598Interchangeable
interchangeable cross-reference
interchangeable
M10387-B12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILC10387?
MILC10387 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace MILC10387?
There are 28 known substitutes for MILC10387: MIL-C-10387, MILC10387B, 100SERIES4INGR00VETYPE2BUTYL and 25 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MILC10387?
MILC10387 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-062-6339. 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