PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86FT54Washer,key

Oshkosh Defense Llc · NSN 5310-00-350-6753 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-350-6753 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-350-6753. Primary manufacturer part number: 86FT54.
Features
  • Washer,key — FSC 5310
  • Material: STEEL COMP 4620 OVERALL
  • Style Designator: KEY
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • External Straight Key Width: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • Hole Diameter: 2.185 INCHES MINIMUM AND 2.195 INCHES MAXIMUM IN
  • Internal Straight Key Width: 0.348 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
  • Outside Diameter: 3.060 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4620 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-350-6753, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 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: Active.

Technical Specifications
ParameterValue
NSN5310-00-350-6753
Primary Part Number86FT54
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
MaterialSTEEL COMP 4620 OVERALL
Style DesignatorKEY
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
External Straight Key Width0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Hole Diameter2.185 INCHES MINIMUM AND 2.195 INCHES MAXIMUM IN
Internal Straight Key Width0.348 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
Outside Diameter3.060 INCHES MINIMUM AND 3.070 INCHES MAXIMUM IN
Internal Key Quantity10
External Key Quantity20
Material Thickness0.321 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
Distance From Centerline to Top of Internal Key0.988 INCHES MINIMUM AND 0.991 INCHES MAXIMUM IN
Overall Distance Including Keys3.370 INCHES MINIMUM AND 3.380 INCHES MAXIMUM IN
Hardness Rating80.0 ROCKWELL C MINIMUM AND 83.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5960-00-057-4778 INTERCHANGEABLE
Electron Tube
3930-00-140-3880 INTERCHANGEABLE
Coupling Assy,chain
5331-00-150-16435868 INTERCHANGEABLE
O-Ring
Tyco Fire Products Lp
3110-00-156-7509177003-41 INTERCHANGEABLE
Bearing,ball,annular
Naval Sea Systems Command
3030-00-294-9869 INTERCHANGEABLE
Belt,v
5306-00-332-639541854 INTERCHANGEABLE
Bolt
Northrop Grumman Systems Corporation
5950-00-461-318562075-018 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
5330-00-738-8929395429 INTERCHANGEABLE
Seal,ring,bearing
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5935-00-847-731441854 INTERCHANGEABLE
Plug,tip
Te Connectivity Corporation
4730-00-915-5127 INTERCHANGEABLE
Plug,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
86FT54 PRIMARY Oshkosh Defense Llc (USA)
H2936 American Standard Inc Westinghouse Air Brake Co Div (USA)
441SH47 PRIMARY Mack Trucks Inc Parts Opn (USA)
5868 Kaitlin Corp (USA)
5868 PRIMARY Morris Material Handling, Inc. (USA)
2273881 General Motors Llc Dba General Motors Llc (USA)
2273881 General Motors Corp (USA)
395429 White Motor Corp (USA)
441SH41 PRIMARY Mack Trucks, Inc. Dba Macungie Operations Div Lehigh Valley Operations (USA)
86FT54 Oshkosh Corp (USA)
BB22134 Diamond Reo Truck Co (USA)
12839M Diamond Reo Truck Co (USA)
41854 Terex Corp (USA)
Related Parts
5960-00-057-4778INTERCHANGEABLE
ELECTRON TUBE
3930-00-140-3880INTERCHANGEABLE
COUPLING ASSY,CHAIN
5331-00-150-1643INTERCHANGEABLE
O-RING
5868
3110-00-156-7509INTERCHANGEABLE
BEARING,BALL,ANNULAR
177003-41
3030-00-294-9869INTERCHANGEABLE
BELT,V
5306-00-332-6395INTERCHANGEABLE
BOLT
41854
5950-00-461-3185INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
62075-018
5330-00-738-8929INTERCHANGEABLE
SEAL,RING,BEARING
395429
5935-00-847-7314INTERCHANGEABLE
PLUG,TIP
41854
4730-00-915-5127INTERCHANGEABLE
PLUG,QUICK DISCONNECT
5950-01-054-4127INTERCHANGEABLE
TRANSFORMER,CURRENT
13213E4128
3120-01-103-9662INTERCHANGEABLE
BEARING,WASHER,THRUST
5868

Frequently Asked Questions

What is NSN 5310-00-350-6753?

NSN 5310-00-350-6753 is a Washer,key, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-350-6753?

NSN 5310-00-350-6753 has 13 cross-referenced part numbers: 86FT54 (Oshkosh Defense Llc), H2936 (American Standard Inc Westinghouse Air Brake Co Div), 441SH47 (Mack Trucks Inc Parts Opn), 5868 (Kaitlin Corp), 5868 (Morris Material Handling, Inc.) and 8 more.

What NSN replaces 5310-00-350-6753?

There are 12 known substitutes for 5310-00-350-6753: 5960-00-057-4778, 3930-00-140-3880, 5331-00-150-1643 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 86FT54?

Key specifications for 86FT54: Material: STEEL COMP 4620 OVERALL; Style Designator: KEY; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; External Straight Key Width: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN. 13 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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