The Spacer,ring, cataloged under National Stock Number 5365-01-419-8428, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-419-8428 |
| Primary Part Number | 3899-6 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Outside Diameter | 2.471 INCHES NOMINAL IN |
| Overall Thickness | 0.070 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-83248/2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 2.062 INCHES NOMINAL IN |
| Material | RUBBER |
| 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 |
|---|---|
| 3899-6 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 6800 ITEM 48 | D/9 Drawing number reference only Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 5365-01-419-8428 is a Spacer,ring, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-419-8428 has 1 manufacturer part number on file: 3899-6 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 3899-6: Outside Diameter: 2.471 INCHES NOMINAL IN; Overall Thickness: 0.070 INCHES NOMINAL IN; Material Document and Classification: MIL-R-83248/2 MIL SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 2.062 INCHES NOMINAL 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.