PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120385Washer,flat

Komatsu American Intl Co · NSN 5310-01-195-5091 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-195-5091 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-195-5091. Primary manufacturer part number: 120385.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.490 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thickness: 0.048 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
  • Hole Diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Center Hole Shape Style: ROUND
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-195-5091, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Komatsu American Intl Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-195-5091
Primary Part Number120385
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKomatsu American Intl Co
StatusACTIVE
Overall Diameter0.490 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Thickness0.048 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Hole Diameter0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-012-038511X100 INTERCHANGEABLE
Washer,flat
Eastern Co Div Eberhard Manufacturing
2810-00-310-2867120385 INTERCHANGEABLE
Gear,fuel Pump-Tach
Curtiss-Wright Controls, Inc. Div Actuation Division
5310-00-685-8308 INTERCHANGEABLE
Washer,flat
6680-01-181-7183MS-120-A-1 INTERCHANGEABLE
Meter,volumetric Positive Displa
Liquid Controls, L.l.c. Div Idex Corporation
Cross-Reference Index
Part NumberManufacturer
120385 Komatsu American Intl Co (USA)
557109R1 Komatsu American Intl Co (USA)
120385 Komatsu America Corp. (USA)
Related Parts
5310-00-012-0385INTERCHANGEABLE
WASHER,FLAT
11X100
2810-00-310-2867INTERCHANGEABLE
GEAR,FUEL PUMP-TACH
120385
5310-00-685-8308INTERCHANGEABLE
WASHER,FLAT
6680-01-181-7183INTERCHANGEABLE
METER,VOLUMETRIC POSITIVE DISPLA
MS-120-A-1

Frequently Asked Questions

What is NSN 5310-01-195-5091?

NSN 5310-01-195-5091 is a Washer,flat, manufactured by Komatsu American Intl Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-195-5091?

NSN 5310-01-195-5091 has 3 cross-referenced part numbers: 120385 (Komatsu American Intl Co), 557109R1 (Komatsu American Intl Co), 120385 (Komatsu America Corp.).

What NSN replaces 5310-01-195-5091?

There are 4 known substitutes for 5310-01-195-5091: 5310-00-012-0385, 2810-00-310-2867, 5310-00-685-8308 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120385?

Key specifications for 120385: Overall Diameter: 0.490 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL; Thickness: 0.048 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Hole Diameter: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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