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Technical Data Sheet
PartsTable / MRO / 500-813
500-813 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL OVERALL, body_style: CYLINDRICAL SERVO MOUNTED, head_style: FLAT CHAMFER, body_length: 1.608 INCHES MAXIMUM IN, head_height: 0.112 INCHES NOMINAL IN, shaft_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-685-3641, 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→ 500-813
NSN: 5305-00-685-3641
FSC: 5305
CAGE: 26344 — NEW HAVEN MFG CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleCYLINDRICAL SERVO MOUNTED
head_styleFLAT CHAMFER
body_length1.608 INCHES MAXIMUM IN
head_height0.112 INCHES NOMINAL IN
shaft_styleROUND
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
spline_width0.022 INCHES NOMINAL IN
thread_class3A A
actuator_typeSINGLE SHAFT
body_diameter0.875 INCHES MAXIMUM IN
NSN5305-00-685-3641
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 500-813 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 3A A
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD QUANTITY PER INCH: 40
•
SPLINE MAJOR DIAMETER: 0.098 INCHES NOMINAL IN
•
THREAD LENGTH: 0.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS3A A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH40
SPLINE MAJOR DIAMETER0.098 INCHES NOMINAL IN
THREAD LENGTH0.312 INCHES MAXIMUM IN
HEAD HEIGHT0.112 INCHES NOMINAL IN
FASTENER LENGTH0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
60023Interchangeable
interchangeable cross-reference
interchangeable
61173Interchangeable
interchangeable cross-reference
interchangeable
8-08430Interchangeable
interchangeable cross-reference
interchangeable
500-813Interchangeable
interchangeable cross-reference
interchangeable
741307-4Interchangeable
interchangeable cross-reference
interchangeable
7233-548-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500-813?
500-813 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 500-813?
There are 12 known substitutes for 500-813: 60023, 61173, 8-08430 and 9 more. Substitute compatibility should be verified for your specific system.
Is 500-813 still available?
500-813 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026