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PartsTable / COMPONENT / SCB69325-2
SCB69325-2 ✓ 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 thickness: 0.0295 INCHES MINIMUM AND 0.0325 INCHES MAXIMUM IN, hole_diameter: 0.406 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN, overall_diameter: 0.625 INCHES NOMINAL IN, features_provided: CASEHARDENED, surface_treatment: PHOSPHATE OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-521-8741, 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
SCB69325-2
NSN: 5310-00-521-8741
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
thickness0.0295 INCHES MINIMUM AND 0.0325 INCHES MAXIMUM IN
hole_diameter0.406 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN
overall_diameter0.625 INCHES NOMINAL IN
features_providedCASEHARDENED
surface_treatmentPHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI,1/4 HARD ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-F-14072,FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-521-8741
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SCB69325-2 · 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 DIAMETER: 0.625 INCHES NOMINAL IN
•
FEATURES PROVIDED: CASEHARDENED
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI,1/4 HARD ASSN STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072,FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.625 INCHES NOMINAL IN
FEATURES PROVIDEDCASEHARDENED
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAISI,1/4 HARD ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,FINISH E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.406 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
50306Interchangeable
interchangeable cross-reference
interchangeable
A50306Interchangeable
interchangeable cross-reference
interchangeable
GR816C1Interchangeable
interchangeable cross-reference
interchangeable
866617Interchangeable
interchangeable cross-reference
interchangeable
45Z91D33Interchangeable
interchangeable cross-reference
interchangeable
AS568-220Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SCB69325-2?
SCB69325-2 is a WASHER,FLAT.
What parts can replace SCB69325-2?
There are 8 known substitutes for SCB69325-2: 50306, A50306, GR816C1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SCB69325-2?
SCB69325-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-521-8741. 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