551-253A — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

551-253A: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.531 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.500 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, body_diameter: 0.781 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-042-7518, 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→ 551-253A

NSN: 5905-01-042-7518
FSC: 5905 — Resistor
CAGE: 11236 — CTS CORP BERNE DIV THICK FILM PRODUCTS GROUP (USA)

SPECIFICATIONS

body_style	CYLINDRICAL BUSHING MOUNTED
body_length	0.531 INCHES MAXIMUM IN
shaft_style	ROUND, SLOTTED
shaft_length	0.500 INCHES NOMINAL IN
actuator_type	SINGLE SHAFT
body_diameter	0.781 INCHES MAXIMUM IN
overall_length	1.031 INCHES MAXIMUM IN
shaft_diameter	0.125 INCHES NOMINAL IN
mounting_method	STANDARD BUSHING
overall_diameter	1.125 INCHES MAXIMUM IN
section_quantity	1
terminal_location	RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
NSN	5905-01-042-7518

COMPONENT DIAGRAM

KEY FEATURES

•

BODY DIAMETER: 0.781 INCHES MAXIMUM IN

•

SCREW THREAD QUANTITY PER INCH: 32.0

•

ELECTRICAL RESISTANCE PER SECTION: 25.0 KILOHMS SINGLE SECTION

•

AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 175.0 SINGLE SECTION

•

SECTION QUANTITY: 1

•

SHAFT DIAMETER: 0.125 INCHES NOMINAL IN

•

BODY STYLE: CYLINDRICAL BUSHING MOUNTED

•

OVERALL DIAMETER: 1.125 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

BODY DIAMETER	0.781 INCHES MAXIMUM IN
SCREW THREAD QUANTITY PER INCH	32.0
ELECTRICAL RESISTANCE PER SECTION	25.0 KILOHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER	175.0 SINGLE SECTION
SECTION QUANTITY	1
SHAFT DIAMETER	0.125 INCHES NOMINAL IN
BODY STYLE	CYLINDRICAL BUSHING MOUNTED
OVERALL DIAMETER	1.125 INCHES MAXIMUM IN
MOUNTING METHOD	STANDARD BUSHING
OVERALL LENGTH	1.031 INCHES MAXIMUM IN

OTHER ITEMS IN FSC 5905 — Resistor

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5905-00-000-0136 5905-00-000-0488 5905-00-000-8809 5905-00-000-8833 5905-00-000-9526 5905-00-001-1342 5905-00-001-1573 5905-00-001-2059

SUBSTITUTES & CROSS-REFERENCES 1

2100-2874Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 551-253A?

551-253A is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).

What parts can replace 551-253A?

There is 1 known substitute for 551-253A: 2100-2874. Substitute compatibility should be verified for your specific system.

What is the NSN for 551-253A?

551-253A is cataloged in the U.S. Government catalog under NSN 5905-01-042-7518. This indicates validated use in U.S. government and defense supply chains.

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551-253A — RESISTOR,VARIABLE,NONWIRE WOUND,

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