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2054228 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL TEETH, surface_treatment: CADMIUM AND DICHROMATE OVERALL, material_thickness: 0.022 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7247, 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
2054228
NSN: 5310-00-595-7247
FSC: 5310
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.250 INCHES NOMINAL IN
outside_diameter0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL TEETH
surface_treatmentCADMIUM AND DICHROMATE OVERALL
material_thickness0.022 INCHES NOMINAL IN
NSN5310-00-595-7247
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2054228 · 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
•
OUTSIDE DIAMETER: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND DICHROMATE OVERALL
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
MATERIAL THICKNESS: 0.022 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.250 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND DICHROMATE OVERALL
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIAL THICKNESS0.022 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
181405Interchangeable
interchangeable cross-reference
interchangeable
950452Interchangeable
interchangeable cross-reference
interchangeable
8327881Interchangeable
interchangeable cross-reference
interchangeable
P39000008Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2054228?
2054228 is a WASHER,LOCK.
What parts can replace 2054228?
There are 4 known substitutes for 2054228: 181405, 950452, 8327881 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2054228?
2054228 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-595-7247. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026