The Knob, cataloged under National Stock Number 5355-00-644-1252, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 18 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 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 | 5355-00-644-1252 |
| Primary Part Number | 5355-22 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.312 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.875 INCHES NOMINAL IN |
| Skirt Outside Diameter | 1.500 INCHES NOMINAL IN |
| Style Designator | FLUTED FOILS |
| Reference Marking | ARROW |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Skirt Design | NONDETACHABLE |
| Width | 1.437 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Skirt Style | FLARED |
| Attachment Method | SETSCREWS |
| Fluted Foil Quantity | 8 |
| 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 |
|---|---|
| 5355-22 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
NSN 5355-00-644-1252 is a Knob, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-644-1252 has 1 manufacturer part number on file: 5355-22 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
1 possible match (shared part number, not a government interchangeability claim): 6610-00-875-3034. Verify interchangeability with system specifications before substitution.
Key specifications for 5355-22: Distance From Hole Center to Knob/skirt Base: 0.312 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.875 INCHES NOMINAL IN; Skirt Outside Diameter: 1.500 INCHES NOMINAL IN. 18 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.