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10108309 — NUT ASSEMBLY,TUBE COUPLING

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

10108309: NUT ASSEMBLY,TUBE COUPLING.

The NUT ASSEMBLY,TUBE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL, slot_width: 0.270 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN, slot_length: 1.043 INCHES NOMINAL IN, hole_diameter: 0.562 INCHES NOMINAL IN, body_thickness: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, surface_treatment: PAINT. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-277-1382, 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
10108309
NSN: 4730-00-277-1382
NIINs: 002771382, 004614185
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
materialSTEEL
slot_width0.270 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN
slot_length1.043 INCHES NOMINAL IN
hole_diameter0.562 INCHES NOMINAL IN
body_thickness0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
surface_treatmentPAINT
securing_device_typeTURNLOCK FASTENER
cross-sectional_shape_styleFLAT
mounting_opening_shape_styleSLOTTED HOLE (KEY HOLE)
NSN4730-00-277-1382
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 10108309 · 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
•
WORKING TEMP AND SERVICE TYPE: 160.0 DEG FAHRENHEIT NOMINAL JET FUEL
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NUT ASSEMBLY
•
OUTSIDE DIAMETER: 3.890 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SIZE: 3.750-16
TECHNICAL CHARACTERISTICS
WORKING TEMP AND SERVICE TYPE160.0 DEG FAHRENHEIT NOMINAL JET FUEL
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN
STYLE DESIGNATORNUT ASSEMBLY
OVERALL LENGTH0.546 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN
OUTSIDE DIAMETER3.890 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
THREAD SIZE3.750-16
SPECIAL FEATURESW/TWO STEEL WASHERS
SCREW THREAD SERIES DESIGNATORUN
SURFACE TREATMENTANODIZE
SUBSTITUTES & CROSS-REFERENCES 3
W702-48DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST7M191Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
12H72-48ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10108309?
10108309 is a NUT ASSEMBLY,TUBE COUPLING.
What parts can replace 10108309?
There are 3 known substitutes for 10108309: W702-48D, ST7M191, 12H72-48A. Substitute compatibility should be verified for your specific system.
What is the NSN for 10108309?
10108309 is cataloged in the U.S. Government catalog under NSN 4730-00-277-1382. 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.