PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1104-00Washer,lock

Itw Shakeproof Automotive Products · NSN 5310-00-660-2300 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-660-2300 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-660-2300. Primary manufacturer part number: 1104-00.
Features
  • Washer,lock — FSC 5310
  • Style Designator: FLAT EXTERNAL TEETH
  • Hole Diameter: 0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
  • Surface Treatment: ZINC OVERALL
  • Material Thickness: 0.015 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Outside Diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-660-2300, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Itw Shakeproof Automotive Products. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-660-2300
Primary Part Number1104-00
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerItw Shakeproof Automotive Products
StatusACTIVE
Style DesignatorFLAT EXTERNAL TEETH
Hole Diameter0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN
Surface TreatmentZINC OVERALL
Material Thickness0.015 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Outside Diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5340-00-193-0783M85049/138-36A INTERCHANGEABLE
Cap,protective,dust and Moisture
Sae International Dba Sae International
5120-00-293-2513IR380SU INTERCHANGEABLE
Pliers,retaining Ring
Stride Tool Inc
5930-00-377-9960110400 INTERCHANGEABLE
Switch,liquid Level
Itt Mcdonnell-Miller a Unit of Itt Fluid Handling Div
5995-01-121-1828 INTERCHANGEABLE
Cable Assembly,radio Frequency
5330-01-138-2487110400 INTERCHANGEABLE
Packing,preformed
Alfa Laval Inc
5330-01-509-8884LSCP270215-17 INTERCHANGEABLE
Cap,seal,nonmetallic
General Dynamics Land Systems Inc.
3990-01-583-7097110400 INTERCHANGEABLE
Box,tote
Army, United States Department of the Dba Rock Island Arsenal Jmtc
6515-01-599-3259110400 INTERCHANGEABLE
Nail,bone
Sign Fracture Care International Dba Sign
2810-01-675-3010110400 INTERCHANGEABLE
Slide Block
Rohe International Incorporated
Cross-Reference Index
Part NumberManufacturer
1104-00 Itw Shakeproof Automotive Products (USA)
Related Parts
5340-00-193-0783INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
M85049/138-36A
5120-00-293-2513INTERCHANGEABLE
PLIERS,RETAINING RING
IR380SU
5930-00-377-9960INTERCHANGEABLE
SWITCH,LIQUID LEVEL
110400
5995-01-121-1828INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
5330-01-138-2487INTERCHANGEABLE
PACKING,PREFORMED
110400
5330-01-509-8884INTERCHANGEABLE
CAP,SEAL,NONMETALLIC
LSCP270215-17
3990-01-583-7097INTERCHANGEABLE
BOX,TOTE
110400
6515-01-599-3259INTERCHANGEABLE
NAIL,BONE
110400
2810-01-675-3010INTERCHANGEABLE
SLIDE BLOCK
110400

Frequently Asked Questions

What is NSN 5310-00-660-2300?

NSN 5310-00-660-2300 is a Washer,lock, manufactured by Itw Shakeproof Automotive Products, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-660-2300?

NSN 5310-00-660-2300 has 1 cross-referenced part number: 1104-00 (Itw Shakeproof Automotive Products).

What NSN replaces 5310-00-660-2300?

There are 9 known substitutes for 5310-00-660-2300: 5340-00-193-0783, 5120-00-293-2513, 5930-00-377-9960 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1104-00?

Key specifications for 1104-00: Style Designator: FLAT EXTERNAL TEETH; Hole Diameter: 0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN; Surface Treatment: ZINC OVERALL; Material Thickness: 0.015 INCHES NOMINAL IN. 6 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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