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2573082 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2573082: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, hole_diameter: 1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN, outside_diameter: 2.250 INCHES NOMINAL IN, style_designator: KEY, surface_treatment: CADMIUM OVERALL, material_thickness: 0.140 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-978-7873, 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
2573082
NSN: 5310-00-978-7873
FSC: 5310 — Nuts and Washers
CAGE: 55284 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE-SOUTH BEND (WESTMOOR ST) (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
hole_diameter1.505 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
outside_diameter2.250 INCHES NOMINAL IN
style_designatorKEY
surface_treatmentCADMIUM OVERALL
material_thickness0.140 INCHES NOMINAL IN
minimum_tensile_strength135000 POUNDS PER SQUARE INCH LBS
internal_prebent_key_width0.160 INCHES NOMINAL IN
internal_prebent_key_length0.140 INCHES NOMINAL IN
material_document_and_classificationMSY6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationCP-0140 CL 3 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-978-7873
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2573082 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: CP-0140 CL 3 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY: 0.755 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.160 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: MSY6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.140 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY LENGTH: 0.140 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONCP-0140 CL 3 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.755 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.160 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONMSY6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
MATERIAL THICKNESS0.140 INCHES NOMINAL IN
INTERNAL PREBENT KEY LENGTH0.140 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MINIMUM TENSILE STRENGTH135000 POUNDS PER SQUARE INCH LBS
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 2573082?
2573082 is a WASHER,KEY.
What is the NSN for 2573082?
2573082 is cataloged in the U.S. Government catalog under NSN 5310-00-978-7873. 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.