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2500557 — RESISTOR,VARIABLE,WIRE WOUND,PRE

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

2500557: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_length: 0.954 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN, shaft_style: ROUND, bearing_type: BEARING SHAFT, pilot_length: 0.0620 INCHES NOMINAL IN, shaft_length: 0.532 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 6150-01-013-5312, 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→ 2500557
NSN: 6150-01-013-5312
NIINs: 010135312, 012891164
FSC: 6150 — Miscellaneous Electric Power and Distribution Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_length0.954 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
shaft_styleROUND
bearing_typeBEARING SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.532 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
shaft_runout0.001 INCHES IN
actuator_typeSINGLE SHAFT
body_diameter1.437 INCHES NOMINAL IN
cubic_measure1.572 CUBIC INCHES
lateral_runout0.002 INCHES IN
pilot_diameter1.3120 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM IN
NSN6150-01-013-5312
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 2500557 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 2500557?
2500557 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 2500557?
2500557 is cataloged in the U.S. Government catalog under NSN 6150-01-013-5312. 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.