The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-430-6950, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Cdm Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-430-6950 |
| Primary Part Number | GC821 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Cdm Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Design Type | THREADED |
| Overall Diameter | 1.4300 INCHES MINIMUM AND 1.4600 INCHES MAXIMUM IN |
| Connector Nominal Thread Size for Which Designed | 0.1900 INCHES IN |
| Surface Treatment | CADMIUM |
| Thread Class | 2B |
| Material | ALUMINUM ALLOY |
| Thread Size and Series/type Designator | 0.190-32 UNEF |
| Inside Diameter Length | 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN |
| Round Cap Outside Surface Condition | KNURLED |
| 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 |
|---|---|
| GC821 | Cdm Inc. (USA) |
| Reference | Meaning |
|---|---|
| GC 821 | 3/2 Design control — primary reference U.S. Government activity |
| GC 821 | 3/9 Design control — primary reference Cooper Crouse-Hinds, Llc Dba General Connector |
| A3154969 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-430-6950 is a Cap,protective,dust and Moisture, manufactured by Cdm Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-430-6950 has 1 manufacturer part number on file: GC821 (Cdm Inc.).
Key specifications for GC821: Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE; Design Type: THREADED; Overall Diameter: 1.4300 INCHES MINIMUM AND 1.4600 INCHES MAXIMUM IN; Connector Nominal Thread Size for Which Designed: 0.1900 INCHES IN. 10 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.