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8613343 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8613343: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1015 OVERALL, hole_diameter: 1.374 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN, outside_diameter: 1.938 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.088 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN, internal_straight_key_width: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-708-4046, 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
8613343
NSN: 5310-00-708-4046
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OVERALL
hole_diameter1.374 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
outside_diameter1.938 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.088 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
internal_key_quantity1
internal_straight_key_width0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
material_document_and_classificationASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
distance_from_centerline_to_top_of_internal_key0.664 INCHES NOMINAL IN
NSN5310-00-708-4046
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8613343 · 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
•
INTERNAL STRAIGHT KEY WIDTH: 0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.664 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 1.938 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.088 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1015 OVERALL
•
INTERNAL KEY QUANTITY: 1
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.215 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.664 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER1.938 INCHES NOMINAL IN
MATERIAL THICKNESS0.088 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OVERALL
INTERNAL KEY QUANTITY1
HOLE DIAMETER1.374 INCHES MINIMUM AND 1.377 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
8609455Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8613343?
8613343 is a WASHER,KEY.
What parts can replace 8613343?
There is 1 known substitute for 8613343: 8609455. Substitute compatibility should be verified for your specific system.
What is the NSN for 8613343?
8613343 is cataloged in the U.S. Government catalog under NSN 5310-00-708-4046. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.