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4024873 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4024873: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 600 OVERALL, hole_diameter: 0.317 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN, outside_diameter: 0.555 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN, style_designator: KEY, material_thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, external_straight_key_width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-367-8793, 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
4024873
NSN: 5310-00-367-8793
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 600 OVERALL
hole_diameter0.317 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
outside_diameter0.555 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
style_designatorKEY
material_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
external_key_quantity1
external_straight_key_width0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
overall_distance_including_keys1.447 INCHES MINIMUM AND 1.462 INCHES MAXIMUM IN
material_document_and_classificationAMS 5540 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-367-8793
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4024873 · 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
•
OVERALL DISTANCE INCLUDING KEYS: 1.447 INCHES MINIMUM AND 1.462 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5540 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.555 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
EXTERNAL KEY QUANTITY: 1
•
MATERIAL: NICKEL ALLOY 600 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DISTANCE INCLUDING KEYS1.447 INCHES MINIMUM AND 1.462 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5540 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.555 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
MATERIAL THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
EXTERNAL STRAIGHT KEY WIDTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
EXTERNAL KEY QUANTITY1
MATERIALNICKEL ALLOY 600 OVERALL
HOLE DIAMETER0.317 INCHES MINIMUM AND 0.337 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
5310PL0723127Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 4024873?
4024873 is a WASHER,KEY.
What parts can replace 4024873?
There is 1 known substitute for 4024873: 5310PL0723127. Substitute compatibility should be verified for your specific system.
What is the NSN for 4024873?
4024873 is cataloged in the U.S. Government catalog under NSN 5310-00-367-8793. 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.