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PartsTable / COMPONENT / 98017A140
98017A140 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL, thickness: 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, hole_diameter: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, overall_diameter: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-352-9593, 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
98017A140
NSN: 5310-01-352-9593
FSC: 5310
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
thickness0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
hole_diameter0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
overall_diameter0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
specification/standard_data80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-352-9593
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98017A140 · 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
•
HOLE DIAMETER: 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
•
SPECIFICATION/STANDARD DATA: 80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
OVERALL DIAMETER: 0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
MATERIALSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OVERALL
SPECIFICATION/STANDARD DATA80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTPASSIVATE OVERALL
OVERALL DIAMETER0.495 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
END ITEM IDENTIFICATION4940-01-445-0086; MRAP - RG-33; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV); HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS);5820-01-679-7243 RADIO SET, AN/VRC-135(V)1, HANDHELD, MANPACK AND SMALL FORM FIT (HMS) 2-CHANNEL LEADER RADIO
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
071-005Interchangeable
interchangeable cross-reference
interchangeable
318BInterchangeable
interchangeable cross-reference
interchangeable
10-29974Interchangeable
interchangeable cross-reference
interchangeable
5310PL0724727Interchangeable
interchangeable cross-reference
interchangeable
10A6574Interchangeable
interchangeable cross-reference
interchangeable
8328864Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 98017A140?
98017A140 is a WASHER,FLAT.
What parts can replace 98017A140?
There are 18 known substitutes for 98017A140: 071-005, 318B, 10-29974 and 15 more. Substitute compatibility should be verified for your specific system.
Is 98017A140 still available?
98017A140 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026