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81-4903 — CONTROL UNIT,GOVERNOR,GENERATOR

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

81-4903: CONTROL UNIT,GOVERNOR,GENERATOR.

CONTROL UNIT,GOVERNOR,GENERATOR. Key specifications include material: PAPER AND WOOL OR PAPER AND COTTON OR PAPER AND CELLULOSE OR PAPER AND GLASS OVERALL, thickness: 0.062 INCHES NOMINAL IN, hole_diameter: 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN, overall_diameter: 0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN, special_features: THIS ITEM GOVERNS THE SPEED OF THE GENERATOR BY GOVERNING THE ELECTRICAL FLOW THROUGH THE SYSTEM, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-752-6289, 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
81-4903
NSN: 5310-00-752-6289
NIINs: 007526289, 011340576
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialPAPER AND WOOL OR PAPER AND COTTON OR PAPER AND CELLULOSE OR PAPER AND GLASS OVERALL
thickness0.062 INCHES NOMINAL IN
hole_diameter0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
overall_diameter0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
special_featuresTHIS ITEM GOVERNS THE SPEED OF THE GENERATOR BY GOVERNING THE ELECTRICAL FLOW THROUGH THE SYSTEM
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength6000 POUNDS PER SQUARE INCH LBS
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-752-6289
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 81-4903 · 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
•
OVERALL DIAMETER: 0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MINIMUM TENSILE STRENGTH: 6000 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PAPER AND WOOL OR PAPER AND COTTON OR PAPER AND CELLULOSE OR PAPER AND GLASS OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.585 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MINIMUM TENSILE STRENGTH6000 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
MATERIALPAPER AND WOOL OR PAPER AND COTTON OR PAPER AND CELLULOSE OR PAPER AND GLASS OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.165 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
THICKNESS0.062 INCHES NOMINAL IN
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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 81-4903?
81-4903 is a CONTROL UNIT,GOVERNOR,GENERATOR.
What is the NSN for 81-4903?
81-4903 is cataloged in the U.S. Government catalog under NSN 5310-00-752-6289. This indicates validated use in U.S. government and defense supply chains.
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