PartsTable TECHNICAL DATA SHEET
NSN 5365-01-181-7563Government record, cited

Spacer, Ring5365-01-181-7563

NSN 5365-01-181-7563 · NIIN 011817563 · Part number 21789R1
Komatsu America Corp. · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 0SAT8
Government record, cited
NSN 5365-01-181-7563 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-181-7563. Manufacturer of record part number: 21789R1.
Also searched as  5365-01-181-7563 · 5365011817563 · NIIN 011817563 · 01-181-7563 · FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE 0SAT8 · 21789R1
Nearby stock numbers  ·
Features
  • Spacer,ring — FSC 5365
  • Outside Diameter: 1.250 INCHES NOMINAL IN
  • Overall Thickness: 0.054 INCHES NOMINAL IN
  • Inside Diameter: 1.031 INCHES NOMINAL IN
  • Surface Treatment: ZINC
  • Material: STEEL CORROSION RESISTING
  • 1 manufacturer part number on file
  • Manufacturer of record: Komatsu America Corp.
Identification
  • NSN: 5365-01-181-7563
  • NIIN: 011817563
  • FSC: 5365 — Bushings, Rings, Shims, and Spacers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 21789R1
  • Manufacturer: Komatsu America Corp.
General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-181-7563, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-181-7563
Primary Part Number21789R1
Item NameSpacer,ring
FSC / FSG5365 / 53 — Bushings, Rings, Shims, and Spacers
ManufacturerKomatsu America Corp.
StatusACTIVE
Outside Diameter1.250 INCHES NOMINAL IN
Overall Thickness0.054 INCHES NOMINAL IN
Inside Diameter1.031 INCHES NOMINAL IN
Surface TreatmentZINC
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
21789R1 Komatsu America Corp. (USA)
Reference documents
ReferenceMeaning
21789R1 3/9 Design control — primary reference
Komatsu American Intl Co
No interchangeability data on file.
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078
5365-00-000-6078 · Item name not on file
5365-00-000-7436
5365-00-000-7436 · Item name not on file
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1365
5365-00-001-1365 · Item name not on file
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER
5365-00-001-1915
5365-00-001-1915 · Item name not on file
5365-00-001-1916
5365-00-001-1916 · Item name not on file
5365-00-001-1940
5365-00-001-1940 · Item name not on file

Frequently Asked Questions

What is NSN 5365-01-181-7563?

NSN 5365-01-181-7563 is a Spacer,ring, manufactured by Komatsu America Corp., classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.

What part numbers are listed for NSN 5365-01-181-7563?

NSN 5365-01-181-7563 has 1 manufacturer part number on file: 21789R1 (Komatsu America Corp.).

What are the specifications of 21789R1?

Key specifications for 21789R1: Outside Diameter: 1.250 INCHES NOMINAL IN; Overall Thickness: 0.054 INCHES NOMINAL IN; Inside Diameter: 1.031 INCHES NOMINAL IN; Surface Treatment: ZINC. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-181-7563 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com