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12281762 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12281762: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.250 INCHES NOMINAL IN, hole_diameter: 0.535 INCHES NOMINAL IN, overall_diameter: 2.250 INCHES NOMINAL IN, special_features: ONE OUTSIDE EDGE IS CHAMFERED,0.130 IN. LONG BY 30 DEGREES; ITEM USED ON XM1 IN, surface_treatment: CADMIUM OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-072-4474, 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
12281762
NSN: 5310-01-072-4474
FSC: 5310 — Nuts and Washers
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.250 INCHES NOMINAL IN
hole_diameter0.535 INCHES NOMINAL IN
overall_diameter2.250 INCHES NOMINAL IN
special_featuresONE OUTSIDE EDGE IS CHAMFERED,0.130 IN. LONG BY 30 DEGREES; ITEM USED ON XM1 IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationQQ-P-416,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-072-4474
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12281762 · 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 II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 2.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY II,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER2.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SPECIAL FEATURESONE OUTSIDE EDGE IS CHAMFERED,0.130 IN. LONG BY 30 DEGREES; ITEM USED ON XM1 IN
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.535 INCHES NOMINAL IN
THICKNESS0.250 INCHES NOMINAL 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

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 12281762?
12281762 is a WASHER,FLAT.
What is the NSN for 12281762?
12281762 is cataloged in the U.S. Government catalog under NSN 5310-01-072-4474. This indicates validated use in U.S. government and defense supply chains.
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