PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1206-00-00-0580Washer,lock

Illinois Tool Works Inc · NSN 5310-00-189-1877 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-189-1877 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-189-1877. Primary manufacturer part number: 1206-00-00-0580.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.278 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
  • Hole Diameter: 0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
  • Material Thickness: 0.018 INCHES NOMINAL IN
  • Material: STEEL COMP 1050 OVERALL
  • Surface Treatment: NICKEL OVERALL
  • Style Designator: FLAT INTERNAL TEETH
  • Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1050 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-189-1877, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Illinois Tool Works Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-189-1877
Primary Part Number1206-00-00-0580
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerIllinois Tool Works Inc
StatusACTIVE
Outside Diameter0.278 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
Hole Diameter0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Material Thickness0.018 INCHES NOMINAL IN
MaterialSTEEL COMP 1050 OVERALL
Surface TreatmentNICKEL OVERALL
Style DesignatorFLAT INTERNAL TEETH
Surface Treatment Document and ClassificationQQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3120-00-111-0642219051 INTERCHANGEABLE
Bearing,sleeve
Eaton Aerospace, Llc Dba Jackson South
6515-01-365-2012 INTERCHANGEABLE
Suture,absorbable,surgical
Cross-Reference Index
Part NumberManufacturer
1206-00-00-0580 Itw Shakeproof Automotive Products (USA)
219051 Woodward, Inc. Div Fuel Systems and Controls (USA)
1206-00-00-0580 PRIMARY Illinois Tool Works Inc (USA)
219051 Woodward, Inc. (USA)
5310PL0941880 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
3120-00-111-0642INTERCHANGEABLE
BEARING,SLEEVE
219051
6515-01-365-2012INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL

Frequently Asked Questions

What is NSN 5310-00-189-1877?

NSN 5310-00-189-1877 is a Washer,lock, manufactured by Illinois Tool Works Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-189-1877?

NSN 5310-00-189-1877 has 5 cross-referenced part numbers: 1206-00-00-0580 (Itw Shakeproof Automotive Products), 219051 (Woodward, Inc. Div Fuel Systems and Controls), 1206-00-00-0580 (Illinois Tool Works Inc), 219051 (Woodward, Inc.), 5310PL0941880 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5310-00-189-1877?

There are 2 known substitutes for 5310-00-189-1877: 3120-00-111-0642, 6515-01-365-2012. Verify interchangeability with system specifications before substitution.

What are the specifications of 1206-00-00-0580?

Key specifications for 1206-00-00-0580: Outside Diameter: 0.278 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN; Hole Diameter: 0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Material Thickness: 0.018 INCHES NOMINAL IN; Material: STEEL COMP 1050 OVERALL. 8 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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