The Cap-Plug,protective,dust and Moi, cataloged under National Stock Number 5340-01-121-3028, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-121-3028 |
| Primary Part Number | 12007975 |
| Item Name | Cap-Plug,protective,dust and Moi |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Closed End Overall Diameter | 5.250 INCHES NOMINAL IN |
| Length Under Shoulder | 1.380 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A322, COMP 4140 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322, COMP 4340 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A322, COMP 8640 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A322, COMP 8740 ASSN STD 4TH MATERIAL RESPONSE |
| Open End Inside Diameter | 1.250 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8640 OR STEEL COMP 8740 |
| 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 |
|---|---|
| 12007975 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5340-01-121-3028 is a Cap-Plug,protective,dust and Moi, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-121-3028 has 1 manufacturer part number on file: 12007975 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12007975: Closed End Overall Diameter: 5.250 INCHES NOMINAL IN; Length Under Shoulder: 1.380 INCHES NOMINAL IN; Material Document and Classification: ASTM A322, COMP 4140 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A322, COMP 4340 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A322, COMP 8640 ASSN STD 3RD MATERIAL RESPONSE OR ASTM A322, COMP 8740 ASSN STD 4TH MATERIAL RESPONSE; Special Features: TWO 0.410 IN. DIA AND TWO 0.281 IN. DIA THRU HOLES WITH A 1.880 IN. DIA BY 0.250 IN. DEEP COUNTERBORE LOCATED ON A 5.010 IN. DIA BOLT CIRCLE SPACED 90 DEG APART; OVERCOATED WITH LUSTERLESS FOREST GREEN IN. 5 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.