The Knob, cataloged under National Stock Number 5355-00-554-5129, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-554-5129 |
| Primary Part Number | 3150240-606-105 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.160 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.750 INCHES NOMINAL IN |
| Style Designator | ROUND WITH SINGLE POINTED BAR FACE |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Counterbore Depth | 0.270 INCHES NOMINAL IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.562 INCHES NOMINAL IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Pointer Design | NONDETACHABLE |
| Gripping Surface Condition | GRIP AID |
| Color | GRAY, FED STD 595, 36231 |
| Width | 1.000 INCHES NOMINAL IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | COPPER ALLOY AND PLASTIC AND STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 3150240-606-105 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 533-188-02 | 5/9 Secondary reference U.S. Government activity |
| 533-188-02 | 5/9 Secondary reference Dupree Inc Aerospace Knob Co Div |
NSN 5355-00-554-5129 is a Knob, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-554-5129 has 1 manufacturer part number on file: 3150240-606-105 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).
Key specifications for 3150240-606-105: Distance From Hole Center to Knob/skirt Base: 0.160 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.750 INCHES NOMINAL IN; Style Designator: ROUND WITH SINGLE POINTED BAR FACE. 20 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.