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Technical Data Sheet
PartsTable / COMPONENT / 7402853
7402853 ✓ 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 COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: STEEL, part_name_assigned_by_controlling_agency: COVER, ACCESS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-740-2853, 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
7402853
NSN: 5310-00-740-2853
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL
part_name_assigned_by_controlling_agencyCOVER, ACCESS
NSN5310-00-740-2853
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7402853 · 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
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
MATERIAL: STEEL OVERALL
•
MATERIAL THICKNESS: 0.021 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.344 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORFLAT INTERNAL TEETH
MATERIALSTEEL OVERALL
MATERIAL THICKNESS0.021 INCHES NOMINAL IN
OUTSIDE DIAMETER0.344 INCHES NOMINAL IN
HOLE DIAMETER0.168 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
2635Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY9CL2Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636Interchangeable
interchangeable cross-reference
interchangeable
992376Interchangeable
interchangeable cross-reference
interchangeable
30088Interchangeable
interchangeable cross-reference
interchangeable
1271-4250Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7402853?
7402853 is a COVER,ACCESS.
What parts can replace 7402853?
There are 17 known substitutes for 7402853: 2635, GGG-W-636 TY9CL2, GGG-W-636 and 14 more. Substitute compatibility should be verified for your specific system.
Is 7402853 still available?
7402853 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