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31755-8D — DEMULTIPLEXER SUBASSEMBLY

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

31755-8D: DEMULTIPLEXER SUBASSEMBLY.

The DEMULTIPLEXER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, leg_length: 1.102 INCHES NOMINAL FIRST END IN, thread_class: 3A SECOND END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (TUBE) SECOND END, style_designator: PLAIN W/ BULKHEAD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-186-4252, 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
31755-8D
NSN: 4730-01-186-4252
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 14397 — FABER ENTERPRISES, INC. DIV FABER ENTERPRISE INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
leg_length1.102 INCHES NOMINAL FIRST END IN
thread_class3A SECOND END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (TUBE) SECOND END
style_designatorPLAIN W/ BULKHEAD THREAD
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length1.914 INCHES IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
material_document_and_classificationQQ-A-225/6 T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
reduced_passage_nominal_inside_diameter0.660 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.500 INCHES SECOND END IN
NSN4730-01-186-4252
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 31755-8D · 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
•
CONNECTION STYLE: PLAIN (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.914 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: PLAIN W/ BULKHEAD THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/6 T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.914 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
STYLE DESIGNATORPLAIN W/ BULKHEAD THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
LEG LENGTH1.102 INCHES NOMINAL FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 3
BACU24F8DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-01003Reference document
Same NSN cross-reference
Reference document — Secondary reference
AFP855Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31755-8D?
31755-8D is a DEMULTIPLEXER SUBASSEMBLY.
What parts can replace 31755-8D?
There are 3 known substitutes for 31755-8D: BACU24F8D, 2-01003, AFP855. Substitute compatibility should be verified for your specific system.
What is the NSN for 31755-8D?
31755-8D is cataloged in the U.S. Government catalog under NSN 4730-01-186-4252. This indicates validated use in U.S. government and defense supply chains.
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