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688000-062 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

688000-062: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL, thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, hole_diameter: 0.183 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN, overall_diameter: 0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-225-5328, 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
688000-062
NSN: 5310-00-225-5328
FSC: 5310 — Nuts and Washers
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
hole_diameter0.183 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
overall_diameter0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMRAP RG-33; MRAP BUFFALO MK2A2; MRAP - M-ATV W/CS13 POP AND SNE; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
cross-sectional_shape_styleRECTANGULAR
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-225-5328
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 688000-062 · 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: 0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATIONMRAP RG-33; MRAP BUFFALO MK2A2; MRAP - M-ATV W/CS13 POP AND SNE; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.183 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
THICKNESS0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 8
MS15795-841Reference document
Same NSN cross-reference
Reference document — Secondary reference
3026368P1Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
504A2-11-52Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
5310PL1368841Reference document
Same NSN cross-reference
Reference document — Informative reference only
98019A326Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6321510Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 688000-062?
688000-062 is a WASHER,FLAT.
What parts can replace 688000-062?
There are 8 known substitutes for 688000-062: MS15795-841, 3026368P1, 504A2-11-52 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 688000-062?
688000-062 is cataloged in the U.S. Government catalog under NSN 5310-00-225-5328. 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.