PartsTable
Technical Data Sheet

M12133/4-125P — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M12133/4-125P: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, overall_height: 0.018 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN, outside_diameter: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.0045 INCHES MINIMUM AND 0.0075 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-290-0766, 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
M12133/4-125P
NSN: 5310-01-290-0766
FSC: 5310 — Nuts and Washers
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
overall_height0.018 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
outside_diameter0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.0045 INCHES MINIMUM AND 0.0075 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-5059,1/2 H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-290-0766
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M12133/4-125P · 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 DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5059,1/2 H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.0045 INCHES MINIMUM AND 0.0075 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
MATERIAL: STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.018 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059,1/2 H ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MATERIAL THICKNESS0.0045 INCHES MINIMUM AND 0.0075 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
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 2
MIL-W-12133/4Reference document
Same NSN cross-reference
Reference document — Identification reference
VA-97-7082-125Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 M12133/4-125P?
M12133/4-125P is a WASHER,SPRING TENSION.
What parts can replace M12133/4-125P?
There are 2 known substitutes for M12133/4-125P: MIL-W-12133/4, VA-97-7082-125. Substitute compatibility should be verified for your specific system.
What is the NSN for M12133/4-125P?
M12133/4-125P is cataloged in the U.S. Government catalog under NSN 5310-01-290-0766. 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.