The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-00-370-0256, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-370-0256 |
| Primary Part Number | 122204 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| FSC Application Data | TELETYPE AND FACSIMILE EQUIPMENT |
| 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 |
|---|---|
| 122204 PRIMARY | Telemechanics Inc (USA) |
| 621222042 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 122204 | 5/9 Secondary reference At and T Corp |
| 122204 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 122204 | 5/9 Secondary reference American Telephone and Telegraph Co |
| K8125838AA | 5/9 Secondary reference General Electric Co Motor and Generator Division of Apparatus Group |
NSN 5340-00-370-0256 is a Cap,protective,dust and Moisture, manufactured by Telemechanics Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-370-0256 has 2 manufacturer part numbers on file: 122204 (Telemechanics Inc), 621222042 (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-503-5139. Verify interchangeability with system specifications before substitution.
Key specifications for 122204: FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT. 1 specification is 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.