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Technical Data Sheet
PartsTable / COMPONENT / 2077521
2077521 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, hole_diameter: 0.214 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN, overall_width: 0.739 INCHES MAXIMUM IN, overall_length: 1.995 INCHES NOMINAL IN, overall_diameter: 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-014-5850, 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
2077521
NSN: 5310-00-014-5850
FSC: 5310
CAGE: 11862 — GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
hole_diameter0.214 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
overall_width0.739 INCHES MAXIMUM IN
overall_length1.995 INCHES NOMINAL IN
overall_diameter0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
mating_end_quantity1
peripheral_shape_styleROUND
center_hole_shape_styleROUND
end_item_identificationTRG EQUIPMENT,AMP INC,GENERIC RADAR TRAINER
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-014-5850
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2077521 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
NONDEFINITIVE SPEC/STD DATA: A TYPE AND 1 GRADE AND A CLASS
•
HOLE DIAMETER: 0.214 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
END ITEM IDENTIFICATIONARMORED MULTI-PURPOSE VEHICLE (AMPV); MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PERIPHERAL SHAPE STYLEROUND
NONDEFINITIVE SPEC/STD DATAA TYPE AND 1 GRADE AND A CLASS
HOLE DIAMETER0.214 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
124A9372AA003Interchangeable
interchangeable cross-reference
interchangeable
120391Interchangeable
interchangeable cross-reference
interchangeable
126177Interchangeable
interchangeable cross-reference
interchangeable
10592Interchangeable
interchangeable cross-reference
interchangeable
A8Interchangeable
interchangeable cross-reference
interchangeable
9916Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2077521?
2077521 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 2077521?
There are 24 known substitutes for 2077521: 124A9372AA003, 120391, 126177 and 21 more. Substitute compatibility should be verified for your specific system.
Is 2077521 still available?
2077521 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