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PartsTable / COMPONENT / A6937-79
A6937-79 ✓ 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,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, hole_diameter: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, shoulder_height: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN, outside_diameter: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-830-7825, 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
A6937-79
NSN: 5310-00-830-7825
FSC: 5310
CAGE: 93742 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialPAPER OVERALL
hole_diameter0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
shoulder_height0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
outside_diameter0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
material_thickness0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
NSN5310-00-830-7825
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A6937-79 · 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
•
HOLE DIAMETER: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL: PAPER OVERALL
•
SHOULDER HEIGHT: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
MATERIAL THICKNESS0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
MATERIALPAPER OVERALL
SHOULDER HEIGHT0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
SHOULDER DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
8082Interchangeable
interchangeable cross-reference
interchangeable
10022659Interchangeable
interchangeable cross-reference
interchangeable
C12500Interchangeable
interchangeable cross-reference
interchangeable
S209Interchangeable
interchangeable cross-reference
interchangeable
23053Interchangeable
interchangeable cross-reference
interchangeable
BL92952-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A6937-79?
A6937-79 is a WASHER,SHOULDERED.
What parts can replace A6937-79?
There are 17 known substitutes for A6937-79: 8082, 10022659, C12500 and 14 more. Substitute compatibility should be verified for your specific system.
Is A6937-79 still available?
A6937-79 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