The Knob, cataloged under National Stock Number 5355-01-103-5797, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is North Atlantic Industries, Inc. Dba North Atlantic Industries. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-103-5797 |
| Primary Part Number | 201979 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | North Atlantic Industries, Inc. Dba North Atlantic Industries |
| Status | ACTIVE |
| Shank Diameter | 1.000 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.281 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 1.000 INCHES NOMINAL IN |
| Shank Length | 0.031 INCHES NOMINAL IN |
| Style Designator | ROUND WITH BAR FACE |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Counterbore Depth | 0.093 INCHES NOMINAL IN |
| Reference Marking | SLOT |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.719 INCHES NOMINAL IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Shank Style | STRAIGHT |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| 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 |
|---|---|
| 201979 PRIMARY | North Atlantic Industries, Inc. Dba North Atlantic Industries (USA) |
| Reference | Meaning |
|---|---|
| 201979 | 5/9 Secondary reference Nai Technologies Inc |
NSN 5355-01-103-5797 is a Knob, manufactured by North Atlantic Industries, Inc. Dba North Atlantic Industries, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-103-5797 has 1 manufacturer part number on file: 201979 (North Atlantic Industries, Inc. Dba North Atlantic Industries).
Key specifications for 201979: Shank Diameter: 1.000 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.281 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 1.000 INCHES NOMINAL IN. 20 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.