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CPR100216 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CPR100216: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1015 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL, thickness: 0.500 INCHES NOMINAL IN, hole_diameter: 1.030 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN, overall_diameter: 5.220 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-258-3396, 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
CPR100216
NSN: 5310-00-258-3396
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1015 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
thickness0.500 INCHES NOMINAL IN
hole_diameter1.030 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
overall_diameter5.220 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationQQ-S-631 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-634 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-258-3396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CPR100216 · 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
•
OVERALL DIAMETER: 5.220 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-631 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-634 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1015 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.030 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
•
THICKNESS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER5.220 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-631 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-634 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1015 OR STEEL COMP 1020 OR STEEL COMP 1025 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.030 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
THICKNESS0.500 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 1
5310002583396Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CPR100216?
CPR100216 is a WASHER,FLAT.
What parts can replace CPR100216?
There is 1 known substitute for CPR100216: 5310002583396. Substitute compatibility should be verified for your specific system.
What is the NSN for CPR100216?
CPR100216 is cataloged in the U.S. Government catalog under NSN 5310-00-258-3396. 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.