The Dial-Knob,lock, cataloged under National Stock Number 5355-00-949-4235, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 4 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. 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 | 5355-00-949-4235 |
| Primary Part Number | M1-51 |
| Item Name | Dial-Knob,lock |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Locking Adjustment Type | KNURLED NUT |
| Style Designator | KNURLED |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| M1-51 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5355-00-949-4235 is a Dial-Knob,lock, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-949-4235 has 1 manufacturer part number on file: M1-51 (Roller Bearing Co of America, Inc Div Pic Design).
2 possible matches (shared part number, not a government interchangeability claim): 6680-01-540-8527, 6680-01-667-4318. Verify interchangeability with system specifications before substitution.
Key specifications for M1-51: Locking Adjustment Type: KNURLED NUT; Style Designator: KNURLED; Surface Treatment: PASSIVATE; Material: STEEL CORROSION RESISTING. 4 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.