JJ 93978 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

JJ 93978: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 1.312 INCHES MAXIMUM IN, shaft_style: ROUND, STEPPED, shaft_length: 1.188 INCHES NOMINAL IN, actuator_type: DUAL CONCENTRIC, body_diameter: 1.156 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-931-6983, 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→ JJ 93978

NSN: 5905-00-931-6983
FSC: 5905 — Resistor
CAGE: 01121 — ROCKWELL AUTOMATION, INC. DBA ROCKWELL AUTOMATION (USA)

SPECIFICATIONS

body_style	CYLINDRICAL BUSHING MOUNTED
body_length	1.312 INCHES MAXIMUM IN
shaft_style	ROUND, STEPPED
shaft_length	1.188 INCHES NOMINAL IN
actuator_type	DUAL CONCENTRIC
body_diameter	1.156 INCHES MAXIMUM IN
shaft_diameter	0.250 INCHES MAXIMUM IN
mounting_method	STANDARD BUSHING
undercut_length	0.313 INCHES NOMINAL IN
section_quantity	2
special_features	WEAPON SYSTEM ESSENTIAL
terminal_location	RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
NSN	5905-00-931-6983

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 1.156 INCHES MAXIMUM IN

•

SCREW THREAD QUANTITY PER INCH: 32.0

•

UNDERCUT LENGTH: 0.313 INCHES NOMINAL IN

•

ELECTRICAL RESISTANCE PER SECTION: 500.0 OHMS ALL SECTIONS

•

AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 120.0 ALL SECTIONS

•

SECTION QUANTITY: 2

•

SHAFT DIAMETER: 0.250 INCHES MAXIMUM IN

•

UNDERCUT DIAMETER: 0.125 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

BODY DIAMETER	1.156 INCHES MAXIMUM IN
SCREW THREAD QUANTITY PER INCH	32.0
UNDERCUT LENGTH	0.313 INCHES NOMINAL IN
ELECTRICAL RESISTANCE PER SECTION	500.0 OHMS ALL SECTIONS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER	120.0 ALL SECTIONS
SECTION QUANTITY	2
SHAFT DIAMETER	0.250 INCHES MAXIMUM IN
UNDERCUT DIAMETER	0.125 INCHES NOMINAL IN
NONTURN DEVICE RADIUS	0.531 INCHES NOMINAL IN
BODY STYLE	CYLINDRICAL BUSHING MOUNTED

SUBSTITUTES & CROSS-REFERENCES 4

53M-500-100OHMSPORM10PCTReference document

Same NSN cross-reference

Reference document — Secondary reference

2100-1996Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

JJC93978Reference document

Same NSN cross-reference

Reference document — Secondary reference

D53CM-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is JJ 93978?

JJ 93978 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).

What parts can replace JJ 93978?

There are 4 known substitutes for JJ 93978: 53M-500-100OHMSPORM10PCT, 2100-1996, JJC93978 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for JJ 93978?

JJ 93978 is cataloged in the U.S. Government catalog under NSN 5905-00-931-6983. This indicates validated use in U.S. government and defense supply chains.

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JJ 93978 — RESISTOR,VARIABLE,NONWIRE WOUND,

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