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M2282R — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

M2282R: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 3.562 INCHES NOMINAL IN, outside_diameter: 4.656 INCHES NOMINAL IN, special_features: 19 HOLES EQUALLY SPACED 0.234 IN. DIA ON 4.060-4.065 IN.

BOLT CIRCLE DIA IN, style_designator: KEY, material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S. Government catalog under NSN 5310-01-234-9934, 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
M2282R
NSN: 5310-01-234-9934
FSC: 5310 — Nuts and Washers
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter3.562 INCHES NOMINAL IN
outside_diameter4.656 INCHES NOMINAL IN
special_features19 HOLES EQUALLY SPACED 0.234 IN. DIA ON 4.060-4.065 IN. BOLT CIRCLE DIA IN
style_designatorKEY
material_thickness0.125 INCHES NOMINAL IN
internal_key_quantity2
internal_straight_key_width0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
distance_from_centerline_to_top_of_internal_key1.630 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
NSN5310-01-234-9934
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M2282R · 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: 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 1.630 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 4.656 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
INTERNAL KEY QUANTITY: 2
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY1.630 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER4.656 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
SPECIAL FEATURES19 HOLES EQUALLY SPACED 0.234 IN. DIA ON 4.060-4.065 IN. BOLT CIRCLE DIA IN
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY2
HOLE DIAMETER3.562 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M2282R?
M2282R is a WASHER,KEY.
What is the NSN for M2282R?
M2282R is cataloged in the U.S. Government catalog under NSN 5310-01-234-9934. 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.