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204-040-814-3 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

204-040-814-3: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL OVERALL, hole_diameter: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN, outside_diameter: 0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN, material_thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, minimum_tensile_strength: 90000 POUNDS PER SQUARE INCH LBS, external_prebent_key_width: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-902-5423, 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
204-040-814-3
NSN: 5310-00-902-5423
FSC: 5310 — Nuts and Washers
CAGE: D0216 — GENERAL ATOMICS AEROTEC SYSTEMS GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL OVERALL
hole_diameter0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
outside_diameter0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
material_thickness0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
minimum_tensile_strength90000 POUNDS PER SQUARE INCH LBS
external_prebent_key_width0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
external_prebent_key_length0.160 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
overall_distance_including_keys1.300 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-902-5423
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 204-040-814-3 · 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 PREBENT KEY LENGTH: 0.160 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
OVERALL DISTANCE INCLUDING KEYS: 1.300 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
MINIMUM TENSILE STRENGTH: 90000 POUNDS PER SQUARE INCH LBS
•
EXTERNAL PREBENT KEY WIDTH: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 4130 OR STEEL OVERALL
TECHNICAL CHARACTERISTICS
EXTERNAL PREBENT KEY LENGTH0.160 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
OVERALL DISTANCE INCLUDING KEYS1.300 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.940 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH90000 POUNDS PER SQUARE INCH LBS
EXTERNAL PREBENT KEY WIDTH0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
MATERIALSTEEL COMP 4130 OR STEEL OVERALL
HOLE DIAMETER0.620 INCHES MINIMUM AND 0.640 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 204-040-814-3?
204-040-814-3 is a WASHER,KEY.
What is the NSN for 204-040-814-3?
204-040-814-3 is cataloged in the U.S. Government catalog under NSN 5310-00-902-5423. 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.