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Technical Data Sheet
PartsTable / COMPONENT / 8491702
8491702 ✓ 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,SHOULDERED AND RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, recess_depth: 0.020 INCHES NOMINAL IN, hole_diameter: 0.875 INCHES NOMINAL IN, recess_diameter: 0.995 INCHES NOMINAL IN, shoulder_height: 0.020 INCHES NOMINAL IN, outside_diameter: 1.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-660-2653, 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
8491702
NSN: 5310-00-660-2653
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
recess_depth0.020 INCHES NOMINAL IN
hole_diameter0.875 INCHES NOMINAL IN
recess_diameter0.995 INCHES NOMINAL IN
shoulder_height0.020 INCHES NOMINAL IN
outside_diameter1.500 INCHES NOMINAL IN
style_designatorSHOULDERED AND RECESSED
shoulder_diameter1.115 INCHES NOMINAL IN
material_thickness0.020 INCHES NOMINAL IN
NSN5310-00-660-2653
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8491702 · 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
•
MATERIAL: STEEL OVERALL
•
RECESS DEPTH: 0.020 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED AND RECESSED
•
SHOULDER DIAMETER: 1.115 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.995 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.020 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
RECESS DEPTH0.020 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED AND RECESSED
SHOULDER DIAMETER1.115 INCHES NOMINAL IN
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
RECESS DIAMETER0.995 INCHES NOMINAL IN
SHOULDER HEIGHT0.020 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
HOLE DIAMETER0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
15021Interchangeable
interchangeable cross-reference
interchangeable
CAKX1AMInterchangeable
interchangeable cross-reference
interchangeable
GAA6934CInterchangeable
interchangeable cross-reference
interchangeable
1340Interchangeable
interchangeable cross-reference
interchangeable
13321Interchangeable
interchangeable cross-reference
interchangeable
150 UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8491702?
8491702 is a WASHER,SHOULDERED AND RECESSED.
What parts can replace 8491702?
There are 22 known substitutes for 8491702: 15021, CAKX1AM, GAA6934C and 19 more. Substitute compatibility should be verified for your specific system.
Is 8491702 still available?
8491702 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