The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-477-9125, 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. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-477-9125 |
| Primary Part Number | 123GT10129-39 |
| 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 |
| Overall Diameter | 1.375 INCHES NOMINAL IN |
| Special Test Features | FINISH: COATING, CHEMICAL FILM ALODINE 1200 PER MIL-C-5541 CLIA AND COATING, POLYMER, VINYL PER G5510500 |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 123GT10129-39 PRIMARY | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| 123GT10129-39 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 123GT10129-39 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-477-9125 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 5340-01-477-9125 has 1 manufacturer part number on file: 123GT10129-39 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems).
Key specifications for 123GT10129-39: Overall Diameter: 1.375 INCHES NOMINAL IN; Special Test Features: FINISH: COATING, CHEMICAL FILM ALODINE 1200 PER MIL-C-5541 CLIA AND COATING, POLYMER, VINYL PER G5510500; Overall Length: 2.250 INCHES NOMINAL IN; Special Features: COMMERCIAL SPEC: 2014-T6. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.