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CPR102739 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CPR102739: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.104 INCHES NOMINAL IN, hole_diameter: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES TOP, overall_diameter: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN, special_features: CARBON NITRIDE CASEHARDENING 0.003 IN. MIN 0.015 IN.

MAX DEEP IN, features_provided: CASEHARDENED. This part is cataloged in the U.S. Government catalog under NSN 5310-00-177-1273, 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
CPR102739
NSN: 5310-00-177-1273
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1012 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
thickness0.104 INCHES NOMINAL IN
hole_diameter0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES TOP
overall_diameter1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
special_featuresCARBON NITRIDE CASEHARDENING 0.003 IN. MIN 0.015 IN. MAX DEEP IN
features_providedCASEHARDENED
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-177-1273
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CPR102739 · 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 FINISH: 63.0 MICROINCHES BOTTOM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AA-H228158 FSCM 26408 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
FEATURES PROVIDED: CASEHARDENED
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES BOTTOM
SURFACE FINISH63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAA-H228158 FSCM 26408 MFR REF SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
FEATURES PROVIDEDCASEHARDENED
SPECIAL FEATURESCARBON NITRIDE CASEHARDENING 0.003 IN. MIN 0.015 IN. MAX DEEP IN
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 1
73322Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 CPR102739?
CPR102739 is a WASHER,FLAT.
What parts can replace CPR102739?
There is 1 known substitute for CPR102739: 73322. Substitute compatibility should be verified for your specific system.
What is the NSN for CPR102739?
CPR102739 is cataloged in the U.S. Government catalog under NSN 5310-00-177-1273. This indicates validated use in U.S. government and defense supply chains.
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