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801125 ✓ 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 OVERALL, thickness: 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, hole_diameter: 0.120 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, overall_diameter: 0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-950-1310, 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
801125
NSN: 5310-00-950-1310
FSC: 5310
CAGE: 19203 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV US ARMY RESEARCH, DEVELOPMENT AND ENGINEERING COMMAND ARMAMENT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
hole_diameter0.120 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
overall_diameter0.307 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_dataA TYPE AND 1 GRADE
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-950-1310
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 801125 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THICKNESS: 0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THICKNESS0.025 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.120 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
221416Interchangeable
interchangeable cross-reference
interchangeable
704460-006Interchangeable
interchangeable cross-reference
interchangeable
131014Interchangeable
interchangeable cross-reference
interchangeable
218322Interchangeable
interchangeable cross-reference
interchangeable
AN960-4Interchangeable
interchangeable cross-reference
interchangeable
4664Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 801125?
801125 is a WASHER,FLAT.
What parts can replace 801125?
There are 32 known substitutes for 801125: 221416, 704460-006, 131014 and 29 more. Substitute compatibility should be verified for your specific system.
Is 801125 still available?
801125 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