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Technical Data Sheet
PartsTable / COMPONENT / 190728
190728 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, construction: SOLID, overall_length: 0.875 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1976, 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
190728
NSN: 4730-00-196-1976
FSC: 4730
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
constructionSOLID
overall_length0.875 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSLOTTED
precious_materialGOLD
surface_treatmentGOLD
material_thickness0.048 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES ALL ENDS IN
cross-sectional_width0.438 INCHES NOMINAL IN
NSN4730-00-196-1976
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 190728 · 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
•
NOMINAL OVERALL LENGTH: 4.000 INCHES IN
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH4.000 INCHES IN
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL OVERALL LENGTH4.000 INCHES IN
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
190728Interchangeable
interchangeable cross-reference
interchangeable
21171Interchangeable
interchangeable cross-reference
interchangeable
0938-9503Interchangeable
interchangeable cross-reference
interchangeable
20866006 FIND NO 14Interchangeable
interchangeable cross-reference
interchangeable
92373A367Interchangeable
interchangeable cross-reference
interchangeable
ASTM-B687Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 190728?
190728 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 190728?
There are 11 known substitutes for 190728: 190728, 21171, 0938-9503 and 8 more. Substitute compatibility should be verified for your specific system.
Is 190728 still available?
190728 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026