The Spacer,ring, cataloged under National Stock Number 5365-01-323-1365, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Schenck Usa Corp Div Test Devices. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5365-01-323-1365 |
| Primary Part Number | 129-B-142 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Schenck Usa Corp Div Test Devices |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| Surface Finish | 63.0 MICROINCHES BORE |
| Outside Diameter | 4.105 INCHES MINIMUM AND 4.107 INCHES MAXIMUM IN |
| Overall Thickness | 0.999 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Inside Diameter | 3.877 INCHES MINIMUM AND 3.879 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 129-B-142 PRIMARY | Schenck Usa Corp Div Test Devices (USA) |
| Reference | Meaning |
|---|---|
| 129-B-142 | 5/9 Secondary reference Test Devices Inc |
NSN 5365-01-323-1365 is a Spacer,ring, manufactured by Schenck Usa Corp Div Test Devices, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-323-1365 has 1 manufacturer part number on file: 129-B-142 (Schenck Usa Corp Div Test Devices).
Key specifications for 129-B-142: Surface Finish: 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER; Surface Finish: 63.0 MICROINCHES BORE; Outside Diameter: 4.105 INCHES MINIMUM AND 4.107 INCHES MAXIMUM IN; Overall Thickness: 0.999 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.