PartsTable
Technical Data Sheet
PartsTable / COMPONENT / M12133/8-11
M12133/8-11 ✓ 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 M12133/8-11 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-372-0285, 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
M12133/8-11
NSN: 5310-01-372-0285
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM12133/8-11
NSN5310-01-372-0285
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M12133/8-11 · 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059,T 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.725 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
STYLE DESIGNATOR: SPRING TENSION
•
HOLE DIAMETER: 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL HEIGHT0.086 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,T 1/2 HARD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
OUTSIDE DIAMETER0.725 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 OVERALL
STYLE DESIGNATORSPRING TENSION
HOLE DIAMETER0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN
MATERIAL THICKNESS0.015 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MIL-W-12133/8Interchangeable
interchangeable cross-reference
interchangeable
M12133/8-6Interchangeable
interchangeable cross-reference
interchangeable
SU-1Interchangeable
interchangeable cross-reference
interchangeable
M12133/8-1Interchangeable
interchangeable cross-reference
interchangeable
M12133/8-4Interchangeable
interchangeable cross-reference
interchangeable
M12133/8-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy M12133/8-11?
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 M12133/8-11?
M12133/8-11 is a M12133/8-11.
What parts can replace M12133/8-11?
There are 9 known substitutes for M12133/8-11: MIL-W-12133/8, M12133/8-6, SU-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M12133/8-11?
M12133/8-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-372-0285. 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 — M12133/8-11

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