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179743 — SWITCHING UNIT,POWER TRANSFER

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

179743: SWITCHING UNIT,POWER TRANSFER.

The SWITCHING UNIT,POWER TRANSFER is a the manufacturer industrial component. Key specifications include phase: THREE, material: COPPER AND NICKEL ALLOY TUBES, core_length: 108.750 INCHES NOMINAL IN, current_type: AC, tube_quantity: 200, connection_type: THREADED INTERNAL PIPE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-187-7617, 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
179743
NSN: 4730-00-187-7617
NIINs: 001877617, 011698032, 012130043, 012812471
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
phaseTHREE
materialCOPPER AND NICKEL ALLOY TUBES
core_length108.750 INCHES NOMINAL IN
current_typeAC
tube_quantity200
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
frequency_rating60.0 HERTZ NOMINAL
special_featuresALUMINUM ALLOY
style_designatorFINNED "U" TUBE
voltage_in_volts450.0
surface_treatmentZINC OVERALL
NSN4730-00-187-7617
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 179743 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OUTSIDE
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 2.150 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: PLAIN W/ FLATED SIDES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE INSIDE
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH2.150 INCHES IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORPLAIN W/ FLATED SIDES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE1.500 INCHES ALL ENDS IN
SPECIFICATION/STANDARD DATA96906-MS39233 GOVERNMENT STANDARD
SUBSTITUTES & CROSS-REFERENCES 6
508541CPReference document
Same NSN cross-reference
Reference document — Secondary reference
ASME B16.3Reference document
Same NSN cross-reference
Reference document — Secondary reference
10540-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
WWP521Reference document
Same NSN cross-reference
Reference document — Secondary reference
B16.3Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS39233-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 179743?
179743 is a SWITCHING UNIT,POWER TRANSFER.
What parts can replace 179743?
There are 6 known substitutes for 179743: 508541CP, ASME B16.3, 10540-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 179743?
179743 is cataloged in the U.S. Government catalog under NSN 4730-00-187-7617. This indicates validated use in U.S. government and defense supply chains.
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