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PartsTable / COMPONENT / D3100MMM04ALA03
D3100MMM04ALA03 ✓ 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 style_designator: MALE COUPLING HALF, nominal_width_across_flats: 0.688 INCHES 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 4730-01-721-4355, 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
D3100MMM04ALA03
NSN: 4730-01-721-4355
FSC: 4730
CAGE: 24984 — HYDRAFLOW (USA)
SPECIFICATIONS
style_designatorMALE COUPLING HALF
nominal_width_across_flats0.688 INCHES IN
NSN4730-01-721-4355
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: D3100MMM04ALA03 · 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
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
NOMINAL WIDTH ACROSS FLATS: 0.688 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORMALE COUPLING HALF
NOMINAL WIDTH ACROSS FLATS0.688 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
D3-100Interchangeable
D3100
interchangeable
DOD-S-85694 TYPE AInterchangeable
interchangeable cross-reference
interchangeable
DOD-S-85694Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D3100MMM04ALA03?
D3100MMM04ALA03 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace D3100MMM04ALA03?
There are 3 known substitutes for D3100MMM04ALA03: D3-100, DOD-S-85694 TYPE A, DOD-S-85694. Substitute compatibility should be verified for your specific system.
What is the NSN for D3100MMM04ALA03?
D3100MMM04ALA03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-721-4355. 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