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500-8440 — RESISTOR,VARIABLE,WIRE WOUND,PRE

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

500-8440: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL COMP W112 OVERALL, body_style: CYLINDRICAL SERVO MOUNTED, body_length: 1.750 INCHES MAXIMUM IN, shaft_style: ROUND, bearing_type: BALL SHAFT, pilot_length: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-500-8440, 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→ 500-8440
NSN: 5315-00-500-8440
NIINs: 005008440, 007080891, 012502637
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL COMP W112 OVERALL
body_styleCYLINDRICAL SERVO MOUNTED
body_length1.750 INCHES MAXIMUM IN
shaft_styleROUND
bearing_typeBALL SHAFT
pilot_length0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
shaft_length0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
shaft_runout0.001 INCHES IN
shank_length1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES NOMINAL IN
lateral_runout0.002 INCHES IN
NSN5315-00-500-8440
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 500-8440 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK DIAMETER: 0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END LOCATION: SHANK END
•
FIRST END STYLE: ROUND
•
SHANK LENGTH: 1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.240 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER
FIRST END LOCATIONSHANK END
FIRST END STYLEROUND
SHANK LENGTH1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SHOULDER DIAMETER0.365 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
SECOND END STYLESQUARE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 500-8440?
500-8440 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 500-8440?
500-8440 is cataloged in the U.S. Government catalog under NSN 5315-00-500-8440. This indicates validated use in U.S. government and defense supply chains.
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