PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SMC500956-2
SMC500956-2 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, outside_diameter: 0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: PAINT OVERALL, material_thickness: 0.022 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 5310-00-327-4813, 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
SMC500956-2
NSN: 5310-00-327-4813
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
outside_diameter0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentPAINT OVERALL
material_thickness0.022 INCHES NOMINAL IN
surface_treatment_document_and_classificationTT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OR TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-327-4813
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SMC500956-2 · 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
•
OUTSIDE DIAMETER: 0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PAINT OVERALL
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OR TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
SURFACE TREATMENTPAINT OVERALL
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
HOLE DIAMETER0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTT-P-1757 FED SPEC SINGLE TREATMENT RESPONSE OR TT-P-636 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORFLAT INTERNAL TEETH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
122002Interchangeable
interchangeable cross-reference
interchangeable
FFB571TYPEAInterchangeable
interchangeable cross-reference
interchangeable
905212-02Interchangeable
interchangeable cross-reference
interchangeable
5310PL1368579Interchangeable
interchangeable cross-reference
interchangeable
S1442Interchangeable
interchangeable cross-reference
interchangeable
13225552Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy SMC500956-2?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SMC500956-2?
SMC500956-2 is a WASHER,LOCK.
What parts can replace SMC500956-2?
There are 6 known substitutes for SMC500956-2: 122002, FFB571TYPEA, 905212-02 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SMC500956-2?
SMC500956-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-327-4813. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SMC500956-2

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026