The Knob, cataloged under National Stock Number 5355-00-668-1296, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-668-1296 |
| Primary Part Number | 322183 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Skirt Outside Diameter | 0.734 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Inside Diameter | 0.251 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Skirt Design | NONDETACHABLE |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | FLARED |
| 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 |
|---|---|
| 322183 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 56-1064-2 | 5/9 Secondary reference Mcguire Products Co |
NSN 5355-00-668-1296 is a Knob, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-668-1296 has 1 manufacturer part number on file: 322183 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-214-1620. Verify interchangeability with system specifications before substitution.
Key specifications for 322183: Distance From Hole Center to Knob/skirt Base: 0.203 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN; Skirt Outside Diameter: 0.734 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN. 17 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.