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Technical Data Sheet
PartsTable / COMPONENT / 7696520
7696520 ✓ 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,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, hole_diameter: 1.635 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN, outside_diameter: 2.172 INCHES MINIMUM AND 2.203 INCHES MAXIMUM IN, style_designator: KEY, features_provided: CASEHARDENED, material_thickness: 0.0847 INCHES MINIMUM AND 0.0947 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-769-6520, 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
7696520
NSN: 5310-00-769-6520
FSC: 5310
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OVERALL
hole_diameter1.635 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN
outside_diameter2.172 INCHES MINIMUM AND 2.203 INCHES MAXIMUM IN
style_designatorKEY
features_providedCASEHARDENED
material_thickness0.0847 INCHES MINIMUM AND 0.0947 INCHES MAXIMUM IN
internal_key_quantity1
internal_straight_key_width0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_top_of_internal_key0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
NSN5310-00-769-6520
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7696520 · 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 DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1020 OVERALL
•
MATERIAL THICKNESS: 0.0847 INCHES MINIMUM AND 0.0947 INCHES MAXIMUM IN
•
FEATURES PROVIDED: CASEHARDENED
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
•
INTERNAL KEY QUANTITY: 1
•
STYLE DESIGNATOR: KEY
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1020 OVERALL
MATERIAL THICKNESS0.0847 INCHES MINIMUM AND 0.0947 INCHES MAXIMUM IN
FEATURES PROVIDEDCASEHARDENED
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.682 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
INTERNAL KEY QUANTITY1
STYLE DESIGNATORKEY
END ITEM IDENTIFICATIONW/S: AIRCRAFT, T-39; HELICOPTER, ELECTRONIC COUNTERMEASURES, EH-60A; HELICOPTER, BLACK HAWK UH-60A; HELICOPTER, KIOW OH-58 A&C; HELICOPTER, CHINOOK, CH-47; HELICOPTER OBSERVATION (AHIP), OH-58D; HELICOPTER, COBRA/TOW, AH SERIES; HELICOPTER, APACHE AH-64; HELICOPTER, IROQUOIS UH-1; TRUCK, FIRE/CRASH P2 A
INTERNAL STRAIGHT KEY WIDTH0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
HOLE DIAMETER1.635 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1701-5Interchangeable
interchangeable cross-reference
interchangeable
109Interchangeable
interchangeable cross-reference
interchangeable
2065-16Interchangeable
interchangeable cross-reference
interchangeable
CT1087Interchangeable
interchangeable cross-reference
interchangeable
LW532Interchangeable
interchangeable cross-reference
interchangeable
102550Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7696520?
7696520 is a WASHER,KEY.
What parts can replace 7696520?
There are 17 known substitutes for 7696520: 1701-5, 109, 2065-16 and 14 more. Substitute compatibility should be verified for your specific system.
Is 7696520 still available?
7696520 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