The Knob, cataloged under National Stock Number 5355-01-363-9951, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Cosmo Corporation. Government technical data includes 12 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 | 5355-01-363-9951 |
| Primary Part Number | 7648 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Cosmo Corporation |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.281 INCHES NOMINAL IN |
| Overall Thickness | 0.656 INCHES NOMINAL IN |
| Skirt Outside Diameter | 1.250 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Setscrew Hole Quantity | 2 |
| Gripping Surface Condition | GRIP AID |
| Skirt Design | NONDETACHABLE |
| Screw Drive Type | SLOT |
| Material | PLASTIC PHENOLIC |
| 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 |
|---|---|
| 7648 PRIMARY | Cosmo Corporation (USA) |
NSN 5355-01-363-9951 is a Knob, manufactured by Cosmo Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-363-9951 has 1 manufacturer part number on file: 7648 (Cosmo Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 1005-01-425-3962, 5305-01-616-4704. Verify interchangeability with system specifications before substitution.
Key specifications for 7648: Distance From Hole Center to Knob/skirt Base: 0.281 INCHES NOMINAL IN; Overall Thickness: 0.656 INCHES NOMINAL IN; Skirt Outside Diameter: 1.250 INCHES NOMINAL IN; Style Designator: ROUND. 12 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.