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12387279 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12387279: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1005 OVERALL, thickness: 0.065 INCHES NOMINAL IN, hole_diameter: 0.938 INCHES NOMINAL IN, overall_diameter: 1.750 INCHES NOMINAL IN, special_features: DISTRIBUTION AUTHORIZED TO U.S. GOVERNMENT AGENCIES AND THEIR CONTRACTORS FOR CONTROL OF CRITICAL TECHNOLOGY, surface_treatment: ZINC OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-984-8818, 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
12387279
NSN: 5310-00-984-8818
NIINs: 009848818, 015249476, 015249481, 016303241, 016303248
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1005 OVERALL
thickness0.065 INCHES NOMINAL IN
hole_diameter0.938 INCHES NOMINAL IN
overall_diameter1.750 INCHES NOMINAL IN
special_featuresDISTRIBUTION AUTHORIZED TO U.S. GOVERNMENT AGENCIES AND THEIR CONTRACTORS FOR CONTROL OF CRITICAL TECHNOLOGY
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTMA10B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationASTMB633,TY2CL2 ASSN STD 2ND TREATMENT RESPONSE OVERALL
NSN5310-00-984-8818
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12387279 · 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 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 3.490 INCHES MINIMUM AND 3.545 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER3.490 INCHES MINIMUM AND 3.545 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONARMORED MULTI-PURPOSE VEHICLE (AMPV)
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 6
FF-W-92Reference document
Same NSN cross-reference
Reference document — Identification reference
MS27183-32Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS15795-31Reference document
Same NSN cross-reference
Reference document — Secondary reference
10395260Reference document
Same NSN cross-reference
Reference document — Informative reference only
PL-H6915D001 IT NO 29Reference document
Same NSN cross-reference
Reference document — Secondary reference
XX002-6912Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12387279?
12387279 is a WASHER,FLAT.
What parts can replace 12387279?
There are 6 known substitutes for 12387279: FF-W-92, MS27183-32, MS15795-31 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12387279?
12387279 is cataloged in the U.S. Government catalog under NSN 5310-00-984-8818. This indicates validated use in U.S. government and defense supply chains.
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