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Technical Data Sheet
PartsTable / COMPONENT / 6372-11
6372-11 ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.220 INCHES NOMINAL IN, overall_height: 0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, outside_diameter: 0.620 INCHES NOMINAL IN, material_thickness: 0.029 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-043-0521, 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
6372-11
NSN: 5310-00-043-0521
FSC: 5310
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.220 INCHES NOMINAL IN
overall_height0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
outside_diameter0.620 INCHES NOMINAL IN
material_thickness0.029 INCHES NOMINAL IN
NSN5310-00-043-0521
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6372-11 · 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: 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THICKNESS: 0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THICKNESS0.027 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
PERIPHERAL SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALCOPPER OVERALL
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
6-3-72Interchangeable
interchangeable cross-reference
interchangeable
16-632Interchangeable
interchangeable cross-reference
interchangeable
7527641Interchangeable
interchangeable cross-reference
interchangeable
S970-67Interchangeable
interchangeable cross-reference
interchangeable
8-674Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6372-11?
6372-11 is a WASHER,SPRING TENSION.
What parts can replace 6372-11?
There are 15 known substitutes for 6372-11: MIL-F-2692, 6-3-72, 16-632 and 12 more. Substitute compatibility should be verified for your specific system.
Is 6372-11 still available?
6372-11 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