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101931-004 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

101931-004: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, leg_length: 0.980 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A SECOND END A, connection_type: THREADED INTERNAL PIPE THIRD END, connection_style: FLARED (TUBE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-134-1920, 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
101931-004
NSN: 4730-01-134-1920
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 54933 — NORTH WIND TEST LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length0.980 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES FIRST END
thread_class2A SECOND END A
connection_typeTHREADED INTERNAL PIPE THIRD END
connection_styleFLARED (TUBE) SECOND END
surface_treatmentZINC OVERALL
nominal_thread_size0.438 INCHES SECOND END IN
thread_series_designatorUNF SECOND END
nondefinitive_spec/std_data6A FIGURE A
specification/standard_data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
furnished_items_and_quantity2 TUBE COUPLING NUT W/SLEEVE
NSN4730-01-134-1920
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 101931-004 · 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
•
FURNISHED ITEMS AND QUANTITY: 2 TUBE COUPLING NUT W/SLEEVE
•
CONNECTION STYLE: PLAIN (PIPE) THIRD END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 TUBE COUPLING NUT W/SLEEVE
CONNECTION STYLEPLAIN (PIPE) THIRD END
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE THIRD END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
LEG LENGTH0.880 INCHES NOMINAL THIRD END IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 6
2031-4-4SReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4-4-4 070427CReference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-J514/1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE J514 4-4-4 070427CReference document
Same NSN cross-reference
Reference document — Secondary reference
J514Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-J514Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 101931-004?
101931-004 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 101931-004?
There are 6 known substitutes for 101931-004: 2031-4-4S, 4-4-4 070427C, SAE-J514/1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 101931-004?
101931-004 is cataloged in the U.S. Government catalog under NSN 4730-01-134-1920. This indicates validated use in U.S. government and defense supply chains.
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