PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11739Washer,flat

Komatsu America Corporation · NSN 5310-00-430-9442 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-430-9442 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-430-9442. Primary manufacturer part number: 11739.
Features
  • Washer,flat — FSC 5310
  • Center Hole Width: 1.881 INCHES MINIMUM AND 1.883 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Overall Diameter: 6.000 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 2.255 INCHES MINIMUM AND 2.257 INCHES MAXIMUM IN
  • Material: IRON OVERALL
  • Center Hole Shape Style: DEE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-430-9442, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-430-9442
Primary Part Number11739
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
Center Hole Width1.881 INCHES MINIMUM AND 1.883 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Overall Diameter6.000 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter2.255 INCHES MINIMUM AND 2.257 INCHES MAXIMUM IN
MaterialIRON OVERALL
Center Hole Shape StyleDEE
Thickness0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-102-4249 INTERCHANGEABLE
Switch Section,rotary
5950-00-254-6735 INTERCHANGEABLE
Coil,electrical
5325-00-270-8891MS35489-21 INTERCHANGEABLE
Grommet,nonmetallic
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6220-00-858-092311739 INTERCHANGEABLE
Contact Assembly,li
Grimes Aerospace Company
5130-01-130-719611739 INTERCHANGEABLE
Die,crimping Tool
Abb Installation Products Inc
5130-01-379-8221 INTERCHANGEABLE
Die,crimping Tool
Cross-Reference Index
Part NumberManufacturer
11739 PRIMARY Komatsu America Corporation (USA)
R11739 Komatsu America Corporation (USA)
Related Parts
5930-00-102-4249INTERCHANGEABLE
SWITCH SECTION,ROTARY
5950-00-254-6735INTERCHANGEABLE
COIL,ELECTRICAL
5325-00-270-8891INTERCHANGEABLE
GROMMET,NONMETALLIC
MS35489-21
6220-00-858-0923INTERCHANGEABLE
CONTACT ASSEMBLY,LI
11739
5130-01-130-7196INTERCHANGEABLE
DIE,CRIMPING TOOL
11739
5130-01-379-8221INTERCHANGEABLE
DIE,CRIMPING TOOL

Frequently Asked Questions

What is NSN 5310-00-430-9442?

NSN 5310-00-430-9442 is a Washer,flat, manufactured by Komatsu America Corporation, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-430-9442?

NSN 5310-00-430-9442 has 2 cross-referenced part numbers: 11739 (Komatsu America Corporation), R11739 (Komatsu America Corporation).

What NSN replaces 5310-00-430-9442?

There are 6 known substitutes for 5310-00-430-9442: 5930-00-102-4249, 5950-00-254-6735, 5325-00-270-8891 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11739?

Key specifications for 11739: Center Hole Width: 1.881 INCHES MINIMUM AND 1.883 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND; Overall Diameter: 6.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR. 8 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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