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644185 — PUSH ON NUT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

644185: PUSH ON NUT.

The PUSH ON NUT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1060 OVERALL, nut_style: PUSH ON, nut_width: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, nut_length: 0.906 INCHES NOMINAL IN, material_thickness: 0.0155 INCHES MINIMUM AND 0.0175 INCHES MAXIMUM IN, mating_member_diameter_accommodated: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-562-8655, 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
644185
NSN: 5310-00-562-8655
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1060 OVERALL
nut_stylePUSH ON
nut_width0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
nut_length0.906 INCHES NOMINAL IN
material_thickness0.0155 INCHES MINIMUM AND 0.0175 INCHES MAXIMUM IN
mating_member_diameter_accommodated0.500 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-562-8655
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 644185 · 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
•
NUT WIDTH: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
NUT LENGTH: 0.906 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.0155 INCHES MINIMUM AND 0.0175 INCHES MAXIMUM IN
•
MATING MEMBER DIAMETER ACCOMMODATED: 0.500 INCHES NOMINAL IN
•
NUT STYLE: PUSH ON
•
MATERIAL: STEEL COMP 1060 OVERALL
TECHNICAL CHARACTERISTICS
NUT WIDTH0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
NUT LENGTH0.906 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.0155 INCHES MINIMUM AND 0.0175 INCHES MAXIMUM IN
MATING MEMBER DIAMETER ACCOMMODATED0.500 INCHES NOMINAL IN
NUT STYLEPUSH ON
MATERIALSTEEL COMP 1060 OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
C1824-017-27Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 644185?
644185 is a PUSH ON NUT.
What parts can replace 644185?
There is 1 known substitute for 644185: C1824-017-27. Substitute compatibility should be verified for your specific system.
What is the NSN for 644185?
644185 is cataloged in the U.S. Government catalog under NSN 5310-00-562-8655. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.