PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1220Washer,lock

Itw Shakeproof Automotive Products · NSN 5310-00-013-8542 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-013-8542 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-013-8542. Primary manufacturer part number: 1220.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Nondefinitive Spec/std Data: A TYPE
  • Material Thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.670 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
  • Hole Diameter: 0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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 5310-00-013-8542, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 21 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-013-8542
Primary Part Number1220
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerItw Shakeproof Automotive Products
StatusCANCELLED
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataA TYPE
Material Thickness0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Outside Diameter0.670 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN
Hole Diameter0.384 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentCADMIUM OVERALL
Style DesignatorFLAT INTERNAL TEETH
Material Document and ClassificationFED STD 66,AISI C1050 THRU C1064 OR SAE 1050 THRU 1064 FED STD ALL MATERIAL RESPONSES OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
4730-00-313-075213845-2 INTERCHANGEABLE
Orifice,regulator
Triumph Engine Control Systems Llc
5940-00-404-570713845-2 INTERCHANGEABLE
Board
Cubic Defense Applications, Inc.
3655-00-926-5366 INTERCHANGEABLE
Cartridge,valve
5330-01-192-170264426 INTERCHANGEABLE
Seal Kit
Eaton Corporation Div Eaton Fluid Power
5999-01-220-8119 INTERCHANGEABLE
Contact,electrical
5340-01-260-8898138542 INTERCHANGEABLE
Standoff,threaded,spacing
Astronautics Corporation of America
5315-01-288-78886442600 INTERCHANGEABLE
Pin,straight,headless
Alfa Laval Inc
5330-01-328-118964426 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Furon Co Dekoron Div
6750-01-427-1296 INTERCHANGEABLE
Film,photographic
1680-01-445-773264426-3 INTERCHANGEABLE
Handle,door
Adams Rite Aerospace, Inc
Cross-Reference Index
Part NumberManufacturer
1220 Itw Shakeproof Automotive Products (USA)
214-1E Delta Electric Div Halle Industries Inc (USA)
1829V256 Meritor Heavy Vehicle Systems, Llc (USA)
34907S7 Ford Motor Company (USA)
1271171 Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA)
BB16288 Diamond Reo Truck Co (USA)
9E06 Clark Equipment Co (USA)
138542 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
1829V256 Kenworth Truck Co a Div of Paccar Inc (USA)
34907S7 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
MS35333-25 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
64426 Cadillac Gage Textron Inc. (USA)
138542 Diamond Reo Truck Co (USA)
MILW6986TYPEA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1829V256 Meritor Industrial Products, Llc (USA)
77839H Navistar International Corporation Dba Navistar (USA)
A293220 CAGE 00000
JHP13-415 Hollingsworth John R Co (USA)
138542 Navistar International Corporation Dba Navistar (USA)
1829V256 Kaitlin Corp (USA)
Related Parts
4730-00-313-0752INTERCHANGEABLE
ORIFICE,REGULATOR
13845-2
5940-00-404-5707INTERCHANGEABLE
BOARD
13845-2
3655-00-926-5366INTERCHANGEABLE
CARTRIDGE,VALVE
5330-01-192-1702INTERCHANGEABLE
SEAL KIT
64426
5999-01-220-8119INTERCHANGEABLE
CONTACT,ELECTRICAL
5340-01-260-8898INTERCHANGEABLE
STANDOFF,THREADED,SPACING
138542
5315-01-288-7888INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6442600
5330-01-328-1189INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
64426
6750-01-427-1296INTERCHANGEABLE
FILM,PHOTOGRAPHIC
1680-01-445-7732INTERCHANGEABLE
HANDLE,DOOR
64426-3
5315-01-522-4492INTERCHANGEABLE
KEY,MACHINE
50062-2

Frequently Asked Questions

What is NSN 5310-00-013-8542?

NSN 5310-00-013-8542 is a Washer,lock, manufactured by Itw Shakeproof Automotive Products, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-013-8542?

NSN 5310-00-013-8542 has 24 cross-referenced part numbers: 1220 (Itw Shakeproof Automotive Products), 214-1E (Delta Electric Div Halle Industries Inc), 1829V256 (Meritor Heavy Vehicle Systems, Llc), 34907S7 (Ford Motor Company), 1271171 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco) and 19 more.

What NSN replaces 5310-00-013-8542?

There are 11 known substitutes for 5310-00-013-8542: 4730-00-313-0752, 5940-00-404-5707, 3655-00-926-5366 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1220?

Key specifications for 1220: Material: STEEL OVERALL; Nondefinitive Spec/std Data: A TYPE; Material Thickness: 0.032 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-013-8542 still in active supply?

NSN 5310-00-013-8542 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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