PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

23374Washer,key

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 5310-00-209-4145 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-209-4145 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-209-4145. Primary manufacturer part number: 23374.
Features
  • Washer,key — FSC 5310
  • Distance From Centerline to Inside of Prebent Key: 1.140 INCHES NOMINAL IN
  • Hole Diameter: 1.406 INCHES NOMINAL IN
  • Outside Diameter: 2.500 INCHES NOMINAL IN
  • Overall Distance Including Keys: 2.481 INCHES NOMINAL IN
  • External Key Quantity: 1
  • External Prebent Key Length: 0.200 INCHES NOMINAL IN
  • Material Thickness: 0.045 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-209-4145, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5310-00-209-4145
Primary Part Number23374
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusACTIVE
Distance From Centerline to Inside of Prebent Key1.140 INCHES NOMINAL IN
Hole Diameter1.406 INCHES NOMINAL IN
Outside Diameter2.500 INCHES NOMINAL IN
Overall Distance Including Keys2.481 INCHES NOMINAL IN
External Key Quantity1
External Prebent Key Length0.200 INCHES NOMINAL IN
Material Thickness0.045 INCHES NOMINAL IN
External Prebent Key Width0.293 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-069-2026A1588-3-875 INTERCHANGEABLE
Impeller,pump,centrifugal
Weil Pump Co Inc
4320-00-069-2027A1588 INTERCHANGEABLE
Impeller,pump,centrifugal
Weil Pump Co Inc
5310-00-209-004791904 INTERCHANGEABLE
Washer,flat
Telemechanics Inc
5310-00-318-8473A1588 INTERCHANGEABLE
Washer,lock
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2520-00-594-00971666551 INTERCHANGEABLE
Retainer,drive Gear
Chrysler Realty Company Llc Dba Daimler Chrysler
5999-00-792-962391904 INTERCHANGEABLE
Cap,electrical
L3harris Technologies, Inc Div Space & Airborne Systems
5961-00-971-5139 INTERCHANGEABLE
Semiconductor Device,diode
5985-01-009-2063928088-8 INTERCHANGEABLE
Dummy Load,electrical
Raytheon Company Dba Raytheon
8455-01-018-8737 INTERCHANGEABLE
Insignia,shoulder Sleeve
5945-01-071-3168R8222V1003 INTERCHANGEABLE
Relay,electromagnetic
Honeywell Inc Residential Div
Cross-Reference Index
Part NumberManufacturer
A1588 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
91904 Amca Intl Corp Unit Crane Div (USA)
23374 PRIMARY Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
38128D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
A1588 Koehring Co Lorain Div (USA)
91904 PRIMARY Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
Related Parts
4320-00-069-2026INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A1588-3-875
4320-00-069-2027INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A1588
5310-00-209-0047INTERCHANGEABLE
WASHER,FLAT
91904
5310-00-318-8473INTERCHANGEABLE
WASHER,LOCK
A1588
2520-00-594-0097INTERCHANGEABLE
RETAINER,DRIVE GEAR
1666551
5999-00-792-9623INTERCHANGEABLE
CAP,ELECTRICAL
91904
5961-00-971-5139INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5985-01-009-2063INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
928088-8
8455-01-018-8737INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5945-01-071-3168INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
R8222V1003
5310-01-176-8059INTERCHANGEABLE
WASHER,FLAT
A1588
5325-01-233-3008INTERCHANGEABLE
EYELET,METALLIC
A1588

Frequently Asked Questions

What is NSN 5310-00-209-4145?

NSN 5310-00-209-4145 is a Washer,key, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-209-4145?

NSN 5310-00-209-4145 has 6 cross-referenced part numbers: A1588 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 91904 (Amca Intl Corp Unit Crane Div), 23374 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 38128D (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), A1588 (Koehring Co Lorain Div) and 1 more.

What NSN replaces 5310-00-209-4145?

There are 12 known substitutes for 5310-00-209-4145: 4320-00-069-2026, 4320-00-069-2027, 5310-00-209-0047 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 23374?

Key specifications for 23374: Distance From Centerline to Inside of Prebent Key: 1.140 INCHES NOMINAL IN; Hole Diameter: 1.406 INCHES NOMINAL IN; Outside Diameter: 2.500 INCHES NOMINAL IN; Overall Distance Including Keys: 2.481 INCHES NOMINAL IN. 9 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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