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Technical Data Sheet
PartsTable / COMPONENT / SCB69322-5
SCB69322-5 ✓ 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: 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN, overall_diameter: 0.438 INCHES NOMINAL IN, features_provided: CASEHARDENED, surface_treatment: CADMIUM AND 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 5310-00-521-8734, 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
SCB69322-5
NSN: 5310-00-521-8734
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_diameter0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
overall_diameter0.438 INCHES NOMINAL IN
features_providedCASEHARDENED
surface_treatmentCADMIUM AND PHOSPHATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-F-14072 FINISH E300 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-F-14072 FINISH E211 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5310-00-521-8734
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SCB69322-5 · 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: 0.438 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 FINISH E300 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-F-14072 FINISH E211 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM AND PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.438 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 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
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 FINISH E300 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-F-14072 FINISH E211 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.252 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND PHOSPHATE OVERALL
FEATURES PROVIDEDCASEHARDENED
THICKNESS0.0295 INCHES MINIMUM AND 0.0325 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
78316Interchangeable
interchangeable cross-reference
interchangeable
50494Interchangeable
interchangeable cross-reference
interchangeable
X12482Interchangeable
interchangeable cross-reference
interchangeable
SC-C-34264Interchangeable
interchangeable cross-reference
interchangeable
5-494Interchangeable
interchangeable cross-reference
interchangeable
R4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SCB69322-5?
SCB69322-5 is a WASHER,FLAT.
What parts can replace SCB69322-5?
There are 8 known substitutes for SCB69322-5: 78316, 50494, X12482 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SCB69322-5?
SCB69322-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-521-8734. 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