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3-420 — RESISTOR,VARIABLE,WIRE WOUND,PRE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

3-420: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include shape: ROUND, diameter: 0.750 INCHES NOMINAL IN, material: RUBBER SYNTHETIC OVERALL, body_style: CYLINDRICAL SERVO MOUNTED, body_width: 1.062 INCHES NOMINAL IN, bore_shape: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-071-7631, 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→ 3-420
NSN: 5930-00-071-7631
NIINs: 000717631, 001448952, 002646611, 004997950, 005284613, 005424571, 006767838, 007104499, 007378330, 007844959, 008655656, 009055446, 009095261, 010047086, 011678627, 011918537, 012408427, 012485243, 012817482, 012981993, 013527241, 014630379, 014764372, 015099539, 015099548, 016445634
FSC: 5930 — Switches
CAGE: 55355 — EMCOR ENCLOSURES LLC (USA)
SPECIFICATIONS
shapeROUND
diameter0.750 INCHES NOMINAL IN
materialRUBBER SYNTHETIC OVERALL
body_styleCYLINDRICAL SERVO MOUNTED
body_width1.062 INCHES NOMINAL IN
bore_shapeSTRAIGHT
glass_typeFLINT
label_typeLETTERED ROUGH SURFACE
shaft_typeROUND
valve_size1.500 INCHES IN
body_height1.469 INCHES NOMINAL IN
body_length1.140 INCHES MAXIMUM IN
NSN5930-00-071-7631
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 3-420 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
BUSHING LENGTH: 0.469 INCHES NOMINAL IN
•
ACTUATOR DIAMETER: 1.125 INCHES NOMINAL IN
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY STYLE: BUSHING MOUNTED
•
BODY WIDTH: 1.062 INCHES NOMINAL IN
•
BODY HEIGHT: 1.469 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.469 INCHES NOMINAL IN
OVERALL HEIGHT1.938 INCHES NOMINAL IN
ACTUATOR DIAMETER1.125 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
BODY STYLEBUSHING MOUNTED
BODY WIDTH1.062 INCHES NOMINAL IN
BODY HEIGHT1.469 INCHES NOMINAL IN
OVERALL LENGTH1.469 INCHES NOMINAL IN
OVERALL WIDTH1.312 INCHES NOMINAL IN
BODY LENGTH1.125 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3-420?
3-420 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 3-420?
3-420 is cataloged in the U.S. Government catalog under NSN 5930-00-071-7631. 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.