The Aperture Plug Assembly, cataloged under National Stock Number 5340-01-576-6788, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Aperture Plug Assembly |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc (CAGE 0B0B2) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-576-6788 |
| Primary Part Number | 800-211 |
| Item Name | Aperture Plug Assembly |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 800-211 PRIMARY | Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc (USA) |
NSN 5340-01-576-6788 is a Aperture Plug Assembly, manufactured by Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-576-6788 has 1 manufacturer part number on file: 800-211 (Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-590-7160. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-01-576-6788 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.