The Knob, cataloged under National Stock Number 5355-00-668-5556, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-668-5556 |
| Primary Part Number | 96RM1158PT1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.312 INCHES NOMINAL IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.937 INCHES NOMINAL IN |
| Skirt Outside Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | ROUND WITH TRIANGULAR FACE |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.255 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Gripping Surface Condition | GRIP AID |
| Skirt Design | DETACHABLE |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 96RM1158PT1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 96RM1158-1 | Northrop Grumman Systems Corporation (USA) |
NSN 5355-00-668-5556 is a Knob, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-668-5556 has 2 manufacturer part numbers on file: 96RM1158PT1 (Northrop Grumman Systems Corporation), 96RM1158-1 (Northrop Grumman Systems Corporation).
Key specifications for 96RM1158PT1: Distance From Hole Center to Knob/skirt Base: 0.312 INCHES NOMINAL IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.937 INCHES NOMINAL IN; Skirt Outside Diameter: 1.125 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.