The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-671-8370, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (CAGE 70974) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-671-8370 |
| Primary Part Number | 123SME90089-37 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 123SME90089-37 PRIMARY | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 123SME90089 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems |
NSN 5340-01-671-8370 is a Cap,protective,dust and Moisture, manufactured by Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-671-8370 has 1 manufacturer part number on file: 123SME90089-37 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems).
2 possible matches (shared part number, not a government interchangeability claim): 5315-01-671-8412, 5306-01-671-8427. 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 5340-01-671-8370 has DEMIL Code Q. 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.