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Technical Data Sheet
PartsTable / COMPONENT / 640466-1
640466-1 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL COMP 303 OVERALL, body_style: STRAIGHT TYPE, body_height: 0.550 INCHES NOMINAL IN, overall_width: 0.300 INCHES NOMINAL IN, first_end_style: CHAMFERED, pin_overall_length: 0.875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-767-5841, 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
640466-1
NSN: 5315-00-767-5841
FSC: 5315
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
body_styleSTRAIGHT TYPE
body_height0.550 INCHES NOMINAL IN
overall_width0.300 INCHES NOMINAL IN
first_end_styleCHAMFERED
pin_overall_length0.875 INCHES NOMINAL IN
first_hole_diameter0.076 INCHES NOMINAL IN
mating_end_quantity1
pin_overall_diameter0.1830 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
second_hole_diameter0.076 INCHES NOMINAL IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.030 INCHES NOMINAL IN
NSN5315-00-767-5841
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 640466-1 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
SECOND HOLE DIAMETER: 0.076 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.030 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.1830 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
PIN OVERALL LENGTH: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SECOND HOLE DIAMETER0.076 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.030 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.1830 INCHES MINIMUM AND 0.1890 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
PIN OVERALL LENGTH0.875 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.102 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
640466-1Interchangeable
interchangeable cross-reference
interchangeable
31-2621-00Interchangeable
interchangeable cross-reference
interchangeable
640900-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 640466-1?
640466-1 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 640466-1?
There are 3 known substitutes for 640466-1: 640466-1, 31-2621-00, 640900-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 640466-1?
640466-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-767-5841. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026