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Technical Data Sheet
PartsTable / COMPONENT / 0740793
0740793 ✓ 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,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, hole_diameter: 0.640 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 1.045 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-184-9161, 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
0740793
NSN: 5310-00-184-9161
FSC: 5310
CAGE: S3002 — GENERAL DYNAMICS EUROPEAN, LAND-SYSTEMS-MOWAG GMBH DBA GDELS (CHE)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
hole_diameter0.640 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter1.045 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentPASSIVATE OVERALL
material_thickness0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
nondefinitive_spec/std_data2 COMPOSITION AND A GRADE AND 1 STYLE AND 1 TYPE
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-184-9161
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0740793 · 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 THICKNESS: 0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 2 COMPOSITION AND A GRADE AND 1 STYLE AND 1 TYPE
•
OUTSIDE DIAMETER: 1.045 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 0.640 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.042 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT INTERNAL TEETH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA2 COMPOSITION AND A GRADE AND 1 STYLE AND 1 TYPE
OUTSIDE DIAMETER1.045 INCHES MINIMUM AND 1.071 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER0.640 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 410 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
5310PL0716587Interchangeable
Same NIIN cross-reference
interchangeable
10116653Interchangeable
Same NIIN cross-reference
interchangeable
MS35333-80Interchangeable
Same NIIN cross-reference
interchangeable
FF-W-100Interchangeable
Same NIIN cross-reference
interchangeable
1728-00-00Interchangeable
Same NIIN cross-reference
interchangeable
ASME B18.21.1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0740793?
0740793 is a WASHER,LOCK.
What parts can replace 0740793?
There are 9 known substitutes for 0740793: 5310PL0716587, 10116653, MS35333-80 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0740793?
0740793 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-184-9161. 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