The Ring,lock,eyepiece, cataloged under National Stock Number 5365-01-149-4099, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Dept of the Army U S Army Electronics Command Night Vision Laboratory. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-149-4099 |
| Primary Part Number | 5002564 |
| Item Name | Ring,lock,eyepiece |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Dept of the Army U S Army Electronics Command Night Vision Laboratory |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5002564 PRIMARY | Dept of the Army U S Army Electronics Command Night Vision Laboratory (USA) |
| Reference | Meaning |
|---|---|
| 295222 | 5/9 Secondary reference Bell and Howell Phillipsburg Co Corporate Offices |
NSN 5365-01-149-4099 is a Ring,lock,eyepiece, manufactured by Dept of the Army U S Army Electronics Command Night Vision Laboratory, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-149-4099 has 1 manufacturer part number on file: 5002564 (Dept of the Army U S Army Electronics Command Night Vision Laboratory).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-245-2705. Verify interchangeability with system specifications before substitution.
Key specifications for 5002564: End Item Identification: BATTLEFIELD ILLUM. 0 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.
NSN 5365-01-149-4099 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.