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185163 — PHASE SHIFTER,ELECTRONIC

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

185163: PHASE SHIFTER,ELECTRONIC.

The PHASE SHIFTER,ELECTRONIC is a the manufacturer industrial component. Key specifications include material: STEEL, body_style: RELIEVED, overall_length: 1.406 INCHES NOMINAL IN, width_across_flats: 0.750 INCHES NOMINAL IN, first_end_thread_class: 2A A, first_end_thread_length: 0.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-737-5440, 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
185163
NSN: 4730-00-737-5440
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 58275 — SASCO INC CANADIAN DIV
SPECIFICATIONS
materialSTEEL
body_styleRELIEVED
overall_length1.406 INCHES NOMINAL IN
width_across_flats0.750 INCHES NOMINAL IN
first_end_thread_class2A A
first_end_thread_length0.562 INCHES NOMINAL IN
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.218 INCHES NOMINAL IN
second_end_thread_length0.475 INCHES NOMINAL IN
wrenching_feature_height0.250 INCHES NOMINAL IN
first_end_connection_typeTHREADED EXTERNAL TUBE
first_end_style_designatorPLAIN
NSN4730-00-737-5440
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 185163 · 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
•
FIRST END THREAD SERIES DESIGNATOR: UNF
•
WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END NOMINAL THREAD SIZE: 0.312 INCHES IN
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 0.297 INCHES NOMINAL IN
•
THIRD DIAMETER FROM WRENCHING FEATURE: 0.469 INCHES NOMINAL IN
•
BODY STYLE: RELIEVED
•
FIRST END THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
FIRST END THREAD SERIES DESIGNATORUNF
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END NOMINAL THREAD SIZE0.312 INCHES IN
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER0.297 INCHES NOMINAL IN
THIRD DIAMETER FROM WRENCHING FEATURE0.469 INCHES NOMINAL IN
BODY STYLERELIEVED
FIRST END THREAD CLASS2A A
FIRST END THREAD QUANTITY PER INCH20
FIRST END STYLE DESIGNATORPLAIN
SUBSTITUTES & CROSS-REFERENCES 9
00637605Reference document
Same NSN cross-reference
Reference document — Secondary reference
302495Reference document
Same NSN cross-reference
Reference document — Secondary reference
231453Reference document
Same NSN cross-reference
Reference document — Secondary reference
114697H1Reference document
Same NSN cross-reference
Reference document — Secondary reference
24SK11Reference document
Same NSN cross-reference
Reference document — Secondary reference
FC3474PReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 185163?
185163 is a PHASE SHIFTER,ELECTRONIC.
What parts can replace 185163?
There are 9 known substitutes for 185163: 00637605, 302495, 231453 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 185163?
185163 is cataloged in the U.S. Government catalog under NSN 4730-00-737-5440. 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.