PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1224Washer,lock

Itw Shakeproof Automotive Products · NSN 5310-00-011-5551 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-011-5551 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-011-5551. Primary manufacturer part number: 1224.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.867 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
  • Hole Diameter: 0.500 INCHES NOMINAL IN
  • Style Designator: FLAT INTERNAL TEETH
  • Material Thickness: 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
  • 18 verified cross-references
  • Primary manufacturer: Itw Shakeproof Automotive Products
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-011-5551, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 16 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
NSN5310-00-011-5551
Primary Part Number1224
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerItw Shakeproof Automotive Products
StatusACTIVE
Outside Diameter0.867 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN
Hole Diameter0.500 INCHES NOMINAL IN
Style DesignatorFLAT INTERNAL TEETH
Material Thickness0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-013-8578 INTERCHANGEABLE
Washer,lock
5310-00-018-0440 INTERCHANGEABLE
Washer,lock
5310-00-018-0612 INTERCHANGEABLE
Washer,lock
5310-00-018-0636 INTERCHANGEABLE
Washer,lock
5310-00-022-8834NASM35333-108 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2940-00-075-512851076 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5331-00-263-8032MS29512-10 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5310-00-514-6674 INTERCHANGEABLE
Washer,lock
5310-00-579-0079MS35333-37 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-595-72371019068-042 INTERCHANGEABLE
Washer,lock
Lexel Imaging Systems Inc
Cross-Reference Index
Part NumberManufacturer
1224 Itw Shakeproof Automotive Products (USA)
1229G423 Meritor Heavy Vehicle Systems, Llc (USA)
115551 Terex Equipment Ltd Div Construction Equipment (GBR)
115551 General Motors Corp (USA)
FC2192 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
786610 Lister Petter Ltd (GBR)
1229G423 Meritor Industrial Products, Llc (USA)
P76 Bae Systems Land & Armaments L.p. (USA)
MS35333-10 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7435-55B Saginaw Products Corporation Dba Cignys (USA)
34909S Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
MIL-W-6986 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
41634H Navistar Intl Corp Truck Br Ohio Plant (USA)
7503-18A Saginaw Products Corporation Dba Cignys (USA)
115551 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
0906961-8 Agco Corp Parts Opn (USA)
P76 Fmc Corp (USA)
1829X258 Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
5310-00-013-8578INTERCHANGEABLE
WASHER,LOCK
5310-00-018-0440INTERCHANGEABLE
WASHER,LOCK
5310-00-018-0612INTERCHANGEABLE
WASHER,LOCK
5310-00-018-0636INTERCHANGEABLE
WASHER,LOCK
5310-00-022-8834INTERCHANGEABLE
WASHER,LOCK
NASM35333-108
2940-00-075-5128INTERCHANGEABLE
FILTER ELEMENT,FLUID
51076
5331-00-263-8032INTERCHANGEABLE
O-RING
MS29512-10
5310-00-514-6674INTERCHANGEABLE
WASHER,LOCK
5310-00-579-0079INTERCHANGEABLE
WASHER,LOCK
MS35333-37
5310-00-595-7237INTERCHANGEABLE
WASHER,LOCK
1019068-042
5310-00-596-7693INTERCHANGEABLE
WASHER,LOCK
5310-00-616-3555INTERCHANGEABLE
WASHER,LOCK
8599462-006

Frequently Asked Questions

What is NSN 5310-00-011-5551?

NSN 5310-00-011-5551 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 5310-00-011-5551?

NSN 5310-00-011-5551 has 18 cross-referenced part numbers: 1224 (Itw Shakeproof Automotive Products), 1229G423 (Meritor Heavy Vehicle Systems, Llc), 115551 (Terex Equipment Ltd Div Construction Equipment), 115551 (General Motors Corp), FC2192 (Federal Mogul Corp Sub Wagner Brake Moog Automotive Div) and 13 more.

What NSN replaces 5310-00-011-5551?

There are 12 known substitutes for 5310-00-011-5551: 5310-00-013-8578, 5310-00-018-0440, 5310-00-018-0612 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1224?

Key specifications for 1224: Outside Diameter: 0.867 INCHES MINIMUM AND 0.900 INCHES MAXIMUM IN; Hole Diameter: 0.500 INCHES NOMINAL IN; Style Designator: FLAT INTERNAL TEETH; Material Thickness: 0.037 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com