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12446954 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12446954: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.330 INCHES NOMINAL IN, hardness_rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, outside_diameter: 0.855 INCHES NOMINAL IN, special_features: WASHER FLATTED 2 PLACES 180 DEGREES APART AT A DEPTH OF 0.159 IN. IN, style_designator: DISHED-INTERNAL TEETH.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-472-3763, 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
12446954
NSN: 5310-01-472-3763
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.330 INCHES NOMINAL IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
outside_diameter0.855 INCHES NOMINAL IN
special_featuresWASHER FLATTED 2 PLACES 180 DEGREES APART AT A DEPTH OF 0.159 IN. IN
style_designatorDISHED-INTERNAL TEETH
surface_treatmentZINC AND CHROMATE OVERALL
material_thickness0.062 INCHES NOMINAL IN
end_item_identification2320-01-412-0143;TRUCK,UTILITY:WSD;HMMWV
material_document_and_classificationASTM A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationASTM B633 TYPE II,CLASS FE/ZN 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-472-3763
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12446954 · 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: ASTM B633 TYPE II,CLASS FE/ZN 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: DISHED-INTERNAL TEETH
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.855 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633 TYPE II,CLASS FE/ZN 5 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORDISHED-INTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A684 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.855 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
SPECIAL FEATURESWASHER FLATTED 2 PLACES 180 DEGREES APART AT A DEPTH OF 0.159 IN. IN
SURFACE TREATMENTZINC AND CHROMATE OVERALL
END ITEM IDENTIFICATION2320-01-412-0143;TRUCK,UTILITY:WSD;HMMWV
MATERIALSTEEL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12446954?
12446954 is a WASHER,LOCK.
What is the NSN for 12446954?
12446954 is cataloged in the U.S. Government catalog under NSN 5310-01-472-3763. This indicates validated use in U.S. government and defense supply chains.
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