PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1222-5Washer,lock

Itw Shakeproof Automotive Products · NSN 5310-00-285-7043 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-285-7043 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-285-7043. Primary manufacturer part number: 1222-5.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.774 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Style Designator: FLAT INTERNAL TEETH
  • Hole Diameter: 0.448 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
  • Material Thickness: 0.020 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Itw Shakeproof Automotive Products
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 5310-00-285-7043, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5310-00-285-7043
Primary Part Number1222-5
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerItw Shakeproof Automotive Products
StatusACTIVE
Outside Diameter0.774 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Style DesignatorFLAT INTERNAL TEETH
Hole Diameter0.448 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
Material Thickness0.020 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1650-00-050-3653122-25 INTERCHANGEABLE
Parts Kit,hydraulic Motor
Hamilton Sundstrand Corporation Dba Collins Aerospace
5950-00-082-8782905480-1 INTERCHANGEABLE
Transformer,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3110-00-120-311112225 INTERCHANGEABLE
Bearing,roller,needle
Mitsubishi Caterpillar Forklift America, Inc
5133-00-189-9270 INTERCHANGEABLE
Drill,twist
5133-00-228-1337 INTERCHANGEABLE
Drill,twist
5935-00-258-9158S-76-5185ISSUE5PT1 INTERCHANGEABLE
Adapter,connector
Raytheon Company Dba Raytheon Co
5977-00-296-5445122205 INTERCHANGEABLE
Brush,electrical Contact
Telemechanics Inc
3815-00-325-3574 INTERCHANGEABLE
Spacer,anchor Arm
6250-00-728-059911040154-1 INTERCHANGEABLE
Lampholder
Us Army Aviation and Missile Command
6625-00-739-0957 INTERCHANGEABLE
Test Set,insulation Breakdown
Cross-Reference Index
Part NumberManufacturer
1222-5 Itw Shakeproof Automotive Products (USA)
1222-05 Itw Shakeproof Automotive Products (USA)
Related Parts
1650-00-050-3653INTERCHANGEABLE
PARTS KIT,HYDRAULIC MOTOR
122-25
5950-00-082-8782INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
905480-1
3110-00-120-3111INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
12225
5133-00-189-9270INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1337INTERCHANGEABLE
DRILL,TWIST
5935-00-258-9158INTERCHANGEABLE
ADAPTER,CONNECTOR
S-76-5185ISSUE5PT1
5977-00-296-5445INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
122205
3815-00-325-3574INTERCHANGEABLE
SPACER,ANCHOR ARM
6250-00-728-0599INTERCHANGEABLE
LAMPHOLDER
11040154-1
6625-00-739-0957INTERCHANGEABLE
TEST SET,INSULATION BREAKDOWN
3610-00-779-1872INTERCHANGEABLE
LEVELER,SIGNATURE
12225
5330-01-044-2335INTERCHANGEABLE
GASKET
12225

Frequently Asked Questions

What is NSN 5310-00-285-7043?

NSN 5310-00-285-7043 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 5310-00-285-7043?

NSN 5310-00-285-7043 has 2 cross-referenced part numbers: 1222-5 (Itw Shakeproof Automotive Products), 1222-05 (Itw Shakeproof Automotive Products).

What NSN replaces 5310-00-285-7043?

There are 12 known substitutes for 5310-00-285-7043: 1650-00-050-3653, 5950-00-082-8782, 3110-00-120-3111 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1222-5?

Key specifications for 1222-5: Outside Diameter: 0.774 INCHES MINIMUM AND 0.789 INCHES MAXIMUM IN; Material: STEEL OVERALL; Style Designator: FLAT INTERNAL TEETH; Hole Diameter: 0.448 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN. 5 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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