The Knob, cataloged under National Stock Number 5355-00-549-7672, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-549-7672 |
| Primary Part Number | 8439GX |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 1.240 INCHES NOMINAL IN |
| Style Designator | SEMI-BALL |
| Outside Diameter | 0.530 INCHES NOMINAL IN |
| Counterbore Depth | 0.190 INCHES NOMINAL IN |
| Nominal Thread Size | 0.312 INCHES RECEPTACLE IN |
| Counterbore Diameter | 0.330 INCHES NOMINAL IN |
| Inside Diameter | 0.310 INCHES NOMINAL IN |
| Gripping Surface Condition | SMOOTH |
| Thread Quantity Per Inch | 24 RECEPTACLE |
| Material | STEEL |
| Thread Series Designator | UNF RECEPTACLE |
| Attachment Method | SCREW ON |
| 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 |
|---|---|
| 8439GX PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| EE45678 | 5/9 Secondary reference Oshkosh Corp |
| 8439GX | 5/9 Secondary reference Jlg Industries (australia) Jlg Industries Inc |
| 25Y | 5/9 Secondary reference Davies Molding Llc Dba Harry Davies Molding Co |
| 8439GX | 5/9 Secondary reference Oshkosh Corp |
| 8439GX | 5/1 Secondary reference Jlg Industries (australia) Jlg Australia Pty Limited |
NSN 5355-00-549-7672 is a Knob, manufactured by Oshkosh Defense Llc, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-549-7672 has 1 manufacturer part number on file: 8439GX (Oshkosh Defense Llc).
Key specifications for 8439GX: Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 1.240 INCHES NOMINAL IN; Style Designator: SEMI-BALL; Outside Diameter: 0.530 INCHES NOMINAL IN. 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.