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91113A034 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

91113A034: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hardness_rating: 44.0 ROCKWELL C NOMINAL, closed_inside_diameter: 0.570 INCHES NOMINAL IN, closed_outside_diameter: 0.990 INCHES NOMINAL IN, end_item_identification: 2355-01-539-3589;LIGHT ARMORED VEHICLE, part_name_assigned_by_controlling_agency: WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-596-7054, 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
91113A034
NSN: 5310-01-596-7054
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hardness_rating44.0 ROCKWELL C NOMINAL
special_featuresSHAPE: TOOTH LOCK;FOR SCREW SIZE: 0.562 INCH,NOMINAL;FINISH: ZINC PLATED;MINIMUM THICKNESS: 0.030 INCH,NOMINAL;MAXIMUM THICKNESS: 0.050 INCH,NOMINAL;ASME SPECIFICATION: ASME B18.21.1 IN
closed_inside_diameter0.570 INCHES NOMINAL IN
closed_outside_diameter0.990 INCHES NOMINAL IN
end_item_identification2355-01-539-3589;LIGHT ARMORED VEHICLE
part_name_assigned_by_controlling_agencyWASHER
NSN5310-01-596-7054
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 91113A034 · 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
•
HARDNESS RATING: 44.0 ROCKWELL C NOMINAL
•
CLOSED OUTSIDE DIAMETER: 0.990 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
CLOSED INSIDE DIAMETER: 0.570 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HARDNESS RATING44.0 ROCKWELL C NOMINAL
CLOSED OUTSIDE DIAMETER0.990 INCHES NOMINAL IN
SPECIAL FEATURESSHAPE: TOOTH LOCK;FOR SCREW SIZE: 0.562 INCH,NOMINAL;FINISH: ZINC PLATED;MINIMUM THICKNESS: 0.030 INCH,NOMINAL;MAXIMUM THICKNESS: 0.050 INCH,NOMINAL;ASME SPECIFICATION: ASME B18.21.1 IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER
END ITEM IDENTIFICATION2355-01-539-3589;LIGHT ARMORED VEHICLE
MATERIALSTEEL OVERALL
CLOSED INSIDE DIAMETER0.570 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91113A034?
91113A034 is a WASHER,LOCK.
What is the NSN for 91113A034?
91113A034 is cataloged in the U.S. Government catalog under NSN 5310-01-596-7054. 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.