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1076-2013 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1076-2013: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.576 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.960 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL TEETH, surface_treatment: CADMIUM AND CHROMATE OVERALL, material_thickness: 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-616-6354, 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
1076-2013
NSN: 5310-00-616-6354
FSC: 5310 — Nuts and Washers
CAGE: F1978 — HERWAYTHORN SA (FRA)
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1060 OR STEEL COMP 1561 OVERALL
hole_diameter0.576 INCHES MINIMUM AND 0.596 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.960 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL TEETH
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND A GRADE AND 1 STYLE AND 1 COMPOSITION
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-616-6354
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1076-2013 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.960 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A GRADE AND 1 STYLE AND 1 COMPOSITION
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.960 INCHES MINIMUM AND 0.985 INCHES MAXIMUM IN
MATERIAL THICKNESS0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A GRADE AND 1 STYLE AND 1 COMPOSITION
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
END ITEM IDENTIFICATIONHELICOPTER, MH-53E;HELICOPTER, CARRIER BASED ASW, SH-60F;AIRBORNE MOBILE DIR AIR SPT CTL (2ID),(02M JUL83)(AN/UYQ-3A);RADAR SET, FIREFINDER (AN/TPQ-36);AIRCRAFT, PROWLER EA-6B;HELICOPTER, SEARCH AND RESCUE, HH-60H;AIRCRAFT, C-2A (REPROCURED);HELICOPTER, USCG SEARCH AND RESCUE, HH-60J;HELICOPTER, ADVANCE ATTACK, AH-1W;SUPPORT EQUIPMENT, B-1 AIRCRAFT; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) A
MATERIALSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1060 OR STEEL COMP 1561 OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
1000-844Reference document
Same NSN cross-reference
Reference document — Secondary reference
28571Reference document
Same NSN cross-reference
Reference document — Secondary reference
138498Reference document
Same NSN cross-reference
Reference document — Secondary reference
344B1Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
1075-2013Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS35335-38Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1076-2013?
1076-2013 is a WASHER,LOCK.
What parts can replace 1076-2013?
There are 8 known substitutes for 1076-2013: 1000-844, 28571, 138498 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1076-2013?
1076-2013 is cataloged in the U.S. Government catalog under NSN 5310-00-616-6354. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.