The Knob, cataloged under National Stock Number 5355-00-031-1289, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5355-00-031-1289 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Width Across Flats | 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN |
| Style Designator | OCTAGON |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.138 INCHES SCREW HOLE IN |
| Inside Diameter | 0.255 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Color | BLACK |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | ALUMINUM ALLOY |
| 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 |
| Reference | Meaning |
|---|---|
| 53-319 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5355-00-031-1289 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 2810-00-118-9679, 5310-00-208-5468, 7510-01-582-2264. Verify interchangeability with system specifications before substitution.
Key specifications for 5355-00-031-1289: Distance From Hole Center to Knob/skirt Base: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Width Across Flats: 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.515 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN. 15 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.