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LS1091393-1 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LS1091393-1: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL, special_features: FINISH PER REQUIREMENTS OF LS1091284-3. SIZE IS 0.312, end_item_identification: LIGHT ARMORED VEHICLE, part_name_assigned_by_controlling_agency: WASHER,FLAT,3/8.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-623-9516, 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
LS1091393-1
NSN: 5310-01-623-9516
FSC: 5310 — Nuts and Washers
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
special_featuresFINISH PER REQUIREMENTS OF LS1091284-3. SIZE IS 0.312
end_item_identificationLIGHT ARMORED VEHICLE
part_name_assigned_by_controlling_agencyWASHER,FLAT,3/8
NSN5310-01-623-9516
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LS1091393-1 · 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: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESFINISH PER REQUIREMENTS OF LS1091284-3. SIZE IS 0.312
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT,3/8
END ITEM IDENTIFICATIONLIGHT ARMORED VEHICLE
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740 OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LS1091393-1?
LS1091393-1 is a WASHER,FLAT.
What is the NSN for LS1091393-1?
LS1091393-1 is cataloged in the U.S. Government catalog under NSN 5310-01-623-9516. 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.