PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41S104Washer,key

Oshkosh Defense Llc · NSN 5310-00-358-8344 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-358-8344 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-358-8344. Primary manufacturer part number: 41S104.
Features
  • Washer,key — FSC 5310
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: KEY
  • Material: STEEL COMP 1008 OVERALL
  • Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • External Straight Key Length: 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Outside Diameter: 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
  • Hole Diameter: 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1008 Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-358-8344, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 42 commercial cross-references from 31 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
NSN5310-00-358-8344
Primary Part Number41S104
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Surface TreatmentCADMIUM OVERALL
Style DesignatorKEY
MaterialSTEEL COMP 1008 OVERALL
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
External Straight Key Length0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Outside Diameter0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
Hole Diameter0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
Material Thickness0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
Overall Distance Including Keys0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
External Prebent Key Length0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN
External Straight Key Width0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
Hardness Rating52.0 ROCKWELL B MINIMUM OR 64.0 ROCKWELL B MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-010-3320 INTERCHANGEABLE
Washer,lock
5935-00-021-89333004-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
4730-00-050-1357 INTERCHANGEABLE
Nipple,pipe
6220-00-119-41986568 INTERCHANGEABLE
Housing,light
Unity Manufacturing Co
5340-00-140-3788 INTERCHANGEABLE
Rod,straight,headless
5305-00-206-8092125120 INTERCHANGEABLE
Screw,shoulder
Telemechanics Inc
4320-00-218-4474A224A INTERCHANGEABLE
Impeller
Circor Naval Solutions Llc Dba Warren Pumps
5930-00-239-32673004-1 INTERCHANGEABLE
Switch Assembly
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5310-00-264-1240AN320C3 INTERCHANGEABLE
Nut,plain,slotted,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-420-196115894APC16 INTERCHANGEABLE
O-Ring
Propulsion Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
R13-8 Purolator Products Co Div Motor Components, Llc (USA)
1902736 General Motors Corp AC-Delco Div Government Order Dept (USA)
B11379 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
1902736 General Motors Corp Delco Remy Div (USA)
51920H Navistar International Corporation Dba Navistar (USA)
1112930 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
805057 General Motors Corp Delco Remy Div (USA)
805057 Borgwarner Pds (anderson), L.l.c. (USA)
10050 Mitsubishi Caterpillar Forklift America, Inc (USA)
T8702 Towmotor Corp Dallas Plant Sub of Caterpillar Tractor Co (USA)
5830E9219 Yale Security Inc. Dba Norton Door Control (USA)
685833 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
5A6465 Napco International Llc Dba Napco International Inc (USA)
5830E9219 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
41S104 Oshkosh Corp (USA)
851892 Clark Equipment Co (USA)
863989 Dana Off Highway Products, Llc (USA)
F3073 Purolator Products Co Div Motor Components, Llc (USA)
6568 Prestolite Electric Inc (USA)
1902736 Borgwarner Pds (anderson), L.l.c. (USA)
Related Parts
5310-00-010-3320INTERCHANGEABLE
WASHER,LOCK
5935-00-021-8933INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3004-1
4730-00-050-1357INTERCHANGEABLE
NIPPLE,PIPE
6220-00-119-4198INTERCHANGEABLE
HOUSING,LIGHT
6568
5340-00-140-3788INTERCHANGEABLE
ROD,STRAIGHT,HEADLESS
5305-00-206-8092INTERCHANGEABLE
SCREW,SHOULDER
125120
4320-00-218-4474INTERCHANGEABLE
IMPELLER
A224A
5930-00-239-3267INTERCHANGEABLE
SWITCH ASSEMBLY
3004-1
5310-00-264-1240INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
AN320C3
5331-00-420-1961INTERCHANGEABLE
O-RING
15894APC16
5120-00-595-8224INTERCHANGEABLE
CAULKING TOOL,HAND
30041
5950-00-672-5440INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5310-00-358-8344?

NSN 5310-00-358-8344 is a Washer,key, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-358-8344?

NSN 5310-00-358-8344 has 42 cross-referenced part numbers: R13-8 (Purolator Products Co Div Motor Components, Llc), 1902736 (General Motors Corp AC-Delco Div Government Order Dept), B11379 (Ford Motor Co Ford Parts and Service Div Government Part Sales), 1902736 (General Motors Corp Delco Remy Div), 51920H (Navistar International Corporation Dba Navistar) and 37 more.

What NSN replaces 5310-00-358-8344?

There are 12 known substitutes for 5310-00-358-8344: 5310-00-010-3320, 5935-00-021-8933, 4730-00-050-1357 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41S104?

Key specifications for 41S104: Surface Treatment: CADMIUM OVERALL; Style Designator: KEY; Material: STEEL COMP 1008 OVERALL; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-358-8344 still in active supply?

NSN 5310-00-358-8344 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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