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Technical Data Sheet
PartsTable / COMPONENT / 453703
453703 ✓ 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

The 453703 is a the manufacturer industrial component. Key specifications include color: BLACK, LUSTERLESS, material: ALUMINUM AND COPPER ALLOY AND PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS), skirt_style: FLARED, skirt_design: DETACHABLE, overall_depth: 0.563 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-167-0681, 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
453703
NSN: 5310-00-167-0681
FSC: 5310
CAGE: 16764 — GENERAL MOTORS CORP DELCO REMY DIV (USA)
SPECIFICATIONS
colorBLACK, LUSTERLESS
materialALUMINUM AND COPPER ALLOY AND PLASTIC ACRYLONITRILE-BUTADIENE-STYRENE (ABS)
skirt_styleFLARED
skirt_designDETACHABLE
overall_depth0.563 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter0.719 INCHES NOMINAL IN
screw_drive_typeHEXAGON SOCKET
special_featuresSKIRT ONLY IS MATTE; ADDITIONAL COLOR: ALUMINUM
style_designatorCROWN
attachment_methodSETSCREWS
overall_thickness0.750 INCHES NOMINAL IN
NSN5310-00-167-0681
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 453703 · 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: FED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
NONDEFINITIVE SPEC/STD DATA: 1 STYLE AND A CLASS
•
MATERIAL THICKNESS: 0.126 INCHES MINIMUM AND 0.136 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.636 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI C1060 THRU C1080 OR SAE 1060 THRU 1080 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
NONDEFINITIVE SPEC/STD DATA1 STYLE AND A CLASS
MATERIAL THICKNESS0.126 INCHES MINIMUM AND 0.136 INCHES MAXIMUM IN
HOLE DIAMETER0.636 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.082 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
103325Interchangeable
interchangeable cross-reference
interchangeable
904209Interchangeable
interchangeable cross-reference
interchangeable
23E10Interchangeable
interchangeable cross-reference
interchangeable
453703Interchangeable
interchangeable cross-reference
interchangeable
RB-700-SK-7RInterchangeable
interchangeable cross-reference
interchangeable
RB-700-SK-7R-0.250 BLACKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 453703?
453703 is a 453703.
What parts can replace 453703?
There are 9 known substitutes for 453703: 103325, 904209, 23E10 and 6 more. Substitute compatibility should be verified for your specific system.
Is 453703 still available?
453703 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