The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-209-8307, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-209-8307 |
| Primary Part Number | 1210B1239 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Tube Outside Diameter for Which Designed | 0.513 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY |
| Inside Diameter Length | 0.440 INCHES NOMINAL IN |
| Round Cap Outside Surface Condition | SMOOTH |
| 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 |
|---|---|
| 1210B1239 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1210B1239 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5340-01-209-8307 is a Cap,protective,dust and Moisture, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-209-8307 has 1 manufacturer part number on file: 1210B1239 (Lockheed Martin Corporation Div Rms).
Key specifications for 1210B1239: Design Type: FRICTION; Overall Diameter: 0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN; Tube Outside Diameter for Which Designed: 0.513 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-225/8, T6 FED SPEC SINGLE MATERIAL RESPONSE. 8 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.