PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51139Washer,flat

Klauer Manufacturing Company · NSN 5310-00-297-6107 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-297-6107 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-297-6107. Primary manufacturer part number: 51139.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.258 INCHES MINIMUM AND 1.268 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Material Document and Classification: MIL-G-6183 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Peripheral Shape Style: ROUND
  • Material: CORK AND RUBBER SYNTHETIC OVERALL
  • Hole Diameter: 0.698 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Cork and Rubber Synthetic Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-297-6107, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Klauer Manufacturing Company. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-297-6107
Primary Part Number51139
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKlauer Manufacturing Company
StatusCANCELLED
Overall Diameter1.258 INCHES MINIMUM AND 1.268 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Material Document and ClassificationMIL-G-6183 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape StyleROUND
MaterialCORK AND RUBBER SYNTHETIC OVERALL
Hole Diameter0.698 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Hardness Rating60.0 DUROMETER MINIMUM AND 70.0 DUROMETER MAXIMUM
Thickness0.278 INCHES MINIMUM AND 0.293 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2940-00-075-472851139 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
4820-00-142-3142SCB70532 INTERCHANGEABLE
Valve,vacuum Breaking
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-233-5870D600K232 INTERCHANGEABLE
Washer,flat
Cnh Industrial America Llc Dba Cnh America
5340-00-392-7761SM-B-157108 INTERCHANGEABLE
Standoff,threaded,spacing
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6130-00-504-2816 INTERCHANGEABLE
Rectifier,metallic
3990-00-542-280951139 INTERCHANGEABLE
Brake,floor,wheeled Equipment
Aerol Llc
9540-00-596-2940 INTERCHANGEABLE
Angle,structural
5910-00-889-4756SM-C-500310 INTERCHANGEABLE
Capacitor,variable,glass Dielect
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6695-00-948-364610388 INTERCHANGEABLE
Meter Movement
Astronautics Corporation of America
6645-01-045-326810388 INTERCHANGEABLE
Timer,sequential
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
Cross-Reference Index
Part NumberManufacturer
V1NC2019 Dana Off Highway Products, Llc (USA)
V1NC2019 Vme Americas Inc Sub of Vme Group N V (USA)
P12739 Athey Products Corp (USA)
VINC2019 Vme Americas Inc Sub of Vme Group N V (USA)
V2019 Clark Material Handling Company (USA)
51139 PRIMARY Klauer Manufacturing Company (USA)
2019 Komatsu America Corporation (USA)
851626 Clark Material Handling Company (USA)
8B4159 Caterpillar Inc Div Caterpillar Defense (USA)
VINC2019 Dana Off Highway Products, Llc (USA)
2019 Clark Material Handling Company (USA)
2019 Fmc Corp Link-Belt Div (USA)
2019 Scott Huber Essick a Co of Figgie International Inc (USA)
851626 Clark Equipment Co (USA)
10388 PRIMARY Klauer Manufacturing Company (USA)
V2019 Clark Equipment Co (USA)
V2019 Vme Americas Inc Sub of Vme Group N V (USA)
V2019 Dana Off Highway Products, Llc (USA)
2019 Clark Equipment Co (USA)
2019 Linde Lift Truck Corp. (USA)
Related Parts
2940-00-075-4728INTERCHANGEABLE
FILTER ELEMENT,FLUID
51139
4820-00-142-3142INTERCHANGEABLE
VALVE,VACUUM BREAKING
SCB70532
5310-00-233-5870INTERCHANGEABLE
WASHER,FLAT
D600K232
5340-00-392-7761INTERCHANGEABLE
STANDOFF,THREADED,SPACING
SM-B-157108
6130-00-504-2816INTERCHANGEABLE
RECTIFIER,METALLIC
3990-00-542-2809INTERCHANGEABLE
BRAKE,FLOOR,WHEELED EQUIPMENT
51139
9540-00-596-2940INTERCHANGEABLE
ANGLE,STRUCTURAL
5910-00-889-4756INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
SM-C-500310
6695-00-948-3646INTERCHANGEABLE
METER MOVEMENT
10388
6645-01-045-3268INTERCHANGEABLE
TIMER,SEQUENTIAL
10388
5985-01-068-4393INTERCHANGEABLE
COUPLER,DIRECTIONAL
3150505-1
7510-01-256-2283INTERCHANGEABLE
RIBBON,INKING
8763

Frequently Asked Questions

What is NSN 5310-00-297-6107?

NSN 5310-00-297-6107 is a Washer,flat, manufactured by Klauer Manufacturing Company, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-297-6107?

NSN 5310-00-297-6107 has 21 cross-referenced part numbers: V1NC2019 (Dana Off Highway Products, Llc), V1NC2019 (Vme Americas Inc Sub of Vme Group N V), P12739 (Athey Products Corp), VINC2019 (Vme Americas Inc Sub of Vme Group N V), V2019 (Clark Material Handling Company) and 16 more.

What NSN replaces 5310-00-297-6107?

There are 12 known substitutes for 5310-00-297-6107: 2940-00-075-4728, 4820-00-142-3142, 5310-00-233-5870 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51139?

Key specifications for 51139: Overall Diameter: 1.258 INCHES MINIMUM AND 1.268 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Material Document and Classification: MIL-G-6183 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Peripheral Shape Style: ROUND. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-297-6107 still in active supply?

NSN 5310-00-297-6107 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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