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Technical Data Sheet
PartsTable / COMPONENT / 690250
690250 ✓ 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 OVERALL, hole_diameter: 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN, outside_diameter: 0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.020 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, external_straight_key_width: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-033-0167, 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
690250
NSN: 5310-00-033-0167
FSC: 5310
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
outside_diameter0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.020 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
external_key_quantity9
external_straight_key_width0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
overall_distance_including_keys0.470 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
material_document_and_classificationAMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-033-0167
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 690250 · 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
•
EXTERNAL KEY QUANTITY: 9
•
EXTERNAL STRAIGHT KEY WIDTH: 0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
OVERALL DISTANCE INCLUDING KEYS: 0.470 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL KEY QUANTITY9
EXTERNAL STRAIGHT KEY WIDTH0.059 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5062 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
OVERALL DISTANCE INCLUDING KEYS0.470 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
HOLE DIAMETER0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
690-250Interchangeable
interchangeable cross-reference
interchangeable
490-250Interchangeable
interchangeable cross-reference
interchangeable
10202383Interchangeable
interchangeable cross-reference
interchangeable
613921Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 690250?
690250 is a WASHER,KEY.
What parts can replace 690250?
There are 4 known substitutes for 690250: 690-250, 490-250, 10202383 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 690250?
690250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-033-0167. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026