The Cap,knob Attachment Device, cataloged under National Stock Number 5355-01-373-5497, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Selco Products Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5355-01-373-5497 |
| Primary Part Number | C210BLACK |
| Item Name | Cap,knob Attachment Device |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Selco Products Inc |
| Status | ACTIVE |
| Style Designator | ROUND |
| 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 |
|---|---|
| C210-BLK-21MM | Sel Sales Inc (USA) |
| C210BLACK PRIMARY | Selco Products Inc (USA) |
| C210-BLK-21MM PRIMARY | Selco Products Inc (USA) |
| 4-10048 | Data Check Dba Lavi Systems, Inc. Div Data Check (USA) |
NSN 5355-01-373-5497 is a Cap,knob Attachment Device, manufactured by Selco Products Inc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-373-5497 has 4 manufacturer part numbers on file: C210-BLK-21MM (Sel Sales Inc), C210BLACK (Selco Products Inc), C210-BLK-21MM (Selco Products Inc), 4-10048 (Data Check Dba Lavi Systems, Inc. Div Data Check).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-437-0555, 2530-01-701-0894. Verify interchangeability with system specifications before substitution.
Key specifications for C210BLACK: Style Designator: ROUND; End Item Identification: KN 6625-01-205-0789. 1 specification is 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.