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98025A030 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98025A030: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.090 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN, hole_diameter: 0.344 INCHES NOMINAL IN, overall_diameter: 0.688 INCHES NOMINAL IN, special_features: 5/16" SCREW SIZE;THICKNESS MIN-MAX .090"-.108";ZINC AND CHROMATE FINISH;ROCKWELL HARDNESS C43-C49, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-555-9058, 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
98025A030
NSN: 5310-01-555-9058
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.090 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
hole_diameter0.344 INCHES NOMINAL IN
overall_diameter0.688 INCHES NOMINAL IN
special_features5/16" SCREW SIZE;THICKNESS MIN-MAX .090"-.108";ZINC AND CHROMATE FINISH;ROCKWELL HARDNESS C43-C49
surface_treatmentZINC OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationROUTE CLEARANCE - COMMON NSN - USED ON LEGACY JERRV 6X6 AND COUGAR 4X4 AND 1 OTHER WEAPON SYSTEM
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyFLAT WASHER
NSN5310-01-555-9058
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98025A030 · 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: 0.688 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
COLOR: YELLOW OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.688 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
COLORYELLOW OVERALL
SPECIAL FEATURES5/16" SCREW SIZE;THICKNESS MIN-MAX .090"-.108";ZINC AND CHROMATE FINISH;ROCKWELL HARDNESS C43-C49
SURFACE TREATMENTZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYFLAT WASHER
END ITEM IDENTIFICATIONROUTE CLEARANCE - COMMON NSN - USED ON LEGACY JERRV 6X6 AND COUGAR 4X4 AND 1 OTHER WEAPON SYSTEM
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 98025A030?
98025A030 is a WASHER,FLAT.
What is the NSN for 98025A030?
98025A030 is cataloged in the U.S. Government catalog under NSN 5310-01-555-9058. This indicates validated use in U.S. government and defense supply chains.
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