PartsTable
Technical Data Sheet
PartsTable / MRO / 528 3-8
528 3-8 ✓ Verified by PartsTable
Tactic · MRO · MRO_GENERAL
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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include shape: STRAIGHT, width: 0.500 INCHES NOMINAL IN, holder: NOT INCLUDED, length: 12.000 INCHES NOMINAL IN, end_hole: NOT INCLUDED, material: COPPER ALLOY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1983, 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
MRO→ MRO_GENERAL→ 528 3-8
NSN: 4730-00-196-1983
FSC: 4730
CAGE: 90480 — KENNECOTT CORP CHASE BRASS GROUP CLEVELAND MILL DIV (USA)
SPECIFICATIONS
shapeSTRAIGHT
width0.500 INCHES NOMINAL IN
holderNOT INCLUDED
length12.000 INCHES NOMINAL IN
end_holeNOT INCLUDED
materialCOPPER ALLOY
thickness0.0015 INCHES IN
body_styleCYLINDRICAL BUSHING MOUNTED
body_length3.813 INCHES NOMINAL IN
shaft_styleROUND
shaft_length0.875 INCHES NOMINAL IN
sight_height2.312 INCHES NOMINAL IN
NSN4730-00-196-1983
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 528 3-8 · Tactic ⚠ 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 THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: LONG
•
NOMINAL OVERALL LENGTH: 3.000 INCHES IN
•
MATERIAL: COPPER ALLOY 230 OVERALL
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
STYLE DESIGNATORLONG
NOMINAL OVERALL LENGTH3.000 INCHES IN
MATERIALCOPPER ALLOY 230 OVERALL
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY 230 OVERALL
STYLE DESIGNATORLONG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
52838Interchangeable
interchangeable cross-reference
interchangeable
413LXInterchangeable
interchangeable cross-reference
interchangeable
SM-B-157370Interchangeable
interchangeable cross-reference
interchangeable
GGG-G-17Interchangeable
interchangeable cross-reference
interchangeable
GGG-G-17 TY8CL4STAInterchangeable
interchangeable cross-reference
interchangeable
599-9647-15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 528 3-8?
528 3-8 is a RESISTOR,VARIABLE,WIRE WOUND,NON manufactured by Tactic. It is classified as a MRO (MRO_GENERAL).
What parts can replace 528 3-8?
There are 17 known substitutes for 528 3-8: 52838, 413LX, SM-B-157370 and 14 more. Substitute compatibility should be verified for your specific system.
Is 528 3-8 still available?
528 3-8 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