The Filter Arm, cataloged under National Stock Number 5815-01-028-1978, is classified within Federal Supply Class 5815 (Teletype and Facsimile Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Telemechanics Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5815-01-028-1978 |
| Primary Part Number | 402089 |
| Item Name | Filter Arm |
| FSC / FSG | 5815 / 58 — Teletype and Facsimile Equipment |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 402089 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 402089 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5815-01-028-1978 is a Filter Arm, manufactured by Telemechanics Inc, classified under FSC 5815, Teletype and Facsimile Equipment. Status: active.
NSN 5815-01-028-1978 has 1 manufacturer part number on file: 402089 (Telemechanics Inc).
2 possible matches (shared part number, not a government interchangeability claim): 1010-01-650-9778, 6220-01-681-4169. Verify interchangeability with system specifications before substitution.
Key specifications for 402089: End Item Identification: TRACTOR FEED ROK SET. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.