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1229F4634 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1229F4634: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include hole_diameter: 3.300 INCHES NOMINAL IN, outside_diameter: 4.300 INCHES NOMINAL IN, special_features: 16 HOLES EQUALLY SPACED/DIA .330., material_thickness: 0.160 INCHES NOMINAL IN, internal_straight_key_width: 0.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-446-1601, 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
1229F4634
NSN: 5310-01-446-1601
FSC: 5310 — Nuts and Washers
CAGE: 3D6E9 — MERITOR INDUSTRIAL PRODUCTS, LLC (USA)
SPECIFICATIONS
hole_diameter3.300 INCHES NOMINAL IN
outside_diameter4.300 INCHES NOMINAL IN
special_features16 HOLES EQUALLY SPACED/DIA .330.
material_thickness0.160 INCHES NOMINAL IN
internal_key_quantity1
internal_straight_key_width0.380 INCHES NOMINAL IN
NSN5310-01-446-1601
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1229F4634 · 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: 0.380 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.300 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.160 INCHES NOMINAL IN
•
INTERNAL KEY QUANTITY: 1
•
HOLE DIAMETER: 3.300 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
INTERNAL STRAIGHT KEY WIDTH0.380 INCHES NOMINAL IN
OUTSIDE DIAMETER4.300 INCHES NOMINAL IN
MATERIAL THICKNESS0.160 INCHES NOMINAL IN
SPECIAL FEATURES16 HOLES EQUALLY SPACED/DIA .330.
INTERNAL KEY QUANTITY1
HOLE DIAMETER3.300 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
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1229F4634?
1229F4634 is a WASHER,KEY.
What is the NSN for 1229F4634?
1229F4634 is cataloged in the U.S. Government catalog under NSN 5310-01-446-1601. 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.