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LS1091397 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

LS1091397: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include hole_diameter: 20.0 MILLIMETERS NOMINAL MM, end_item_identification: STRKYER,NSN:2355-01-481-8576, part_name_assigned_by_controlling_agency: WASHER,FLAT,METRIC. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-648-1481, 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
LS1091397
NSN: 5310-01-648-1481
NIINs: 016481481, 016481545
FSC: 5310 — Nuts and Washers
CAGE: 01417 — GENERAL DYNAMICS LAND SYSTEMS INC. (USA)
SPECIFICATIONS
hole_diameter20.0 MILLIMETERS NOMINAL MM
end_item_identificationSTRKYER,NSN:2355-01-481-8576
part_name_assigned_by_controlling_agencyWASHER,FLAT,METRIC
NSN5310-01-648-1481
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: LS1091397 · 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: 20.0 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT,METRIC
END ITEM IDENTIFICATIONSTRKYER,NSN:2355-01-481-8576
HOLE DIAMETER20.0 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is LS1091397?
LS1091397 is a WASHER,FLAT.
What is the NSN for LS1091397?
LS1091397 is cataloged in the U.S. Government catalog under NSN 5310-01-648-1481. 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.