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WH-11 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

WH-11: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 2.207 INCHES NOMINAL IN, outside_diameter: 2.6562 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.072 INCHES NOMINAL IN, external_key_quantity: 17. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-903-5887, 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
WH-11
NSN: 5310-00-903-5887
FSC: 5310 — Nuts and Washers
CAGE: 79568 — WHITTET-HIGGINS COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter2.207 INCHES NOMINAL IN
outside_diameter2.6562 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.072 INCHES NOMINAL IN
external_key_quantity17
external_prebent_key_width0.234 INCHES MAXIMUM IN
internal_prebent_key_width0.290 INCHES NOMINAL IN
internal_prebent_key_length0.156 INCHES NOMINAL IN
overall_distance_including_keys3.0937 INCHES NOMINAL IN
NSN5310-00-903-5887
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: WH-11 · 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 PREBENT KEY WIDTH: 0.290 INCHES NOMINAL IN
•
OVERALL DISTANCE INCLUDING KEYS: 3.0937 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 2.6562 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.072 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 17
•
INTERNAL PREBENT KEY LENGTH: 0.156 INCHES NOMINAL IN
•
EXTERNAL PREBENT KEY WIDTH: 0.234 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
INTERNAL PREBENT KEY WIDTH0.290 INCHES NOMINAL IN
OVERALL DISTANCE INCLUDING KEYS3.0937 INCHES NOMINAL IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER2.6562 INCHES NOMINAL IN
MATERIAL THICKNESS0.072 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY17
INTERNAL PREBENT KEY LENGTH0.156 INCHES NOMINAL IN
EXTERNAL PREBENT KEY WIDTH0.234 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
HOLE DIAMETER2.207 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
145978Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
TW111Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WH-11?
WH-11 is a WASHER,KEY.
What parts can replace WH-11?
There are 2 known substitutes for WH-11: 145978, TW111. Substitute compatibility should be verified for your specific system.
What is the NSN for WH-11?
WH-11 is cataloged in the U.S. Government catalog under NSN 5310-00-903-5887. 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.