The Knob, cataloged under National Stock Number 5355-00-668-3787, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5355-00-668-3787 |
| Primary Part Number | 322184 |
| 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 | 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Shaft Accommodation Style | ROUND |
| Overall Thickness | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.484 INCHES MINIMUM AND 0.500 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 |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 322184 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 322184 | 3/9 Design control — primary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 5590138 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5355-00-668-3787 is a Knob, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-668-3787 has 1 manufacturer part number on file: 322184 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-228-3299. Verify interchangeability with system specifications before substitution.
Key specifications for 322184: Distance From Hole Center to Knob/skirt Base: 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN; Shaft Accommodation Style: ROUND; Overall Thickness: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN; Style Designator: ROUND. 13 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.