The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-242-7786, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-242-7786 |
| Primary Part Number | 502505 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 0.610 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-P-3803, GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC |
| Inside Diameter Length | 0.410 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 |
|---|---|
| 502505 PRIMARY | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 502505 | 5/9 Secondary reference Cardion Inc |
NSN 5340-00-242-7786 is a Cap,protective,dust and Moisture, manufactured by Aimtron Systems, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-242-7786 has 1 manufacturer part number on file: 502505 (Aimtron Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-070-0080. Verify interchangeability with system specifications before substitution.
Key specifications for 502505: Design Type: FRICTION; Overall Diameter: 0.610 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN; Material Document and Classification: MIL-P-3803, GRADE 1 MIL SPEC SINGLE MATERIAL RESPONSE. 7 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.