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5010325 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, hole_diameter: 0.208 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES TOP, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM, overall_diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-188-3744, 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
5010325
NSN: 5310-00-188-3744
FSC: 5310
CAGE: S4956 — EMBRAER EMPRESA BRASILEIRA DE AERONAUTICA SA (BRA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
hole_diameter0.208 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES TOP
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
overall_diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
surface_treatmentNICKEL AND CADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationAMS 2416 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE OVERALL
NSN5310-00-188-3744
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5010325 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
SURFACE FINISH: 63.0 MICROINCHES BOTTOM
•
MATERIAL: STEEL COMP 4130 OVERALL
•
SURFACE TREATMENT: NICKEL AND CADMIUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2416 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
SURFACE FINISH63.0 MICROINCHES BOTTOM
MATERIALSTEEL COMP 4130 OVERALL
SURFACE TREATMENTNICKEL AND CADMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6350 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH63.0 MICROINCHES TOP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2416 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE OVERALL
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
42639-1Interchangeable
interchangeable cross-reference
interchangeable
DS-922659Interchangeable
interchangeable cross-reference
interchangeable
922659Interchangeable
interchangeable cross-reference
interchangeable
ROM/PROMInterchangeable
interchangeable cross-reference
interchangeable
6711506Interchangeable
interchangeable cross-reference
interchangeable
MS9320-09Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5010325?
5010325 is a WASHER,FLAT.
What parts can replace 5010325?
There are 11 known substitutes for 5010325: 42639-1, DS-922659, 922659 and 8 more. Substitute compatibility should be verified for your specific system.
Is 5010325 still available?
5010325 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026