The Knob, cataloged under National Stock Number 5355-01-072-4739, 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 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-072-4739 |
| Primary Part Number | 38-7751-221-00-4-10 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Cosmo Corporation |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.375 INCHES NOMINAL IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.750 INCHES NOMINAL IN |
| Style Designator | SKIRTED/ROUND WITH DOUBLE FIN LEVER |
| Counterbore Depth | 0.188 INCHES NOMINAL IN |
| Reference Marking | LINE |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.625 INCHES NOMINAL IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Gripping Surface Condition | GRIP AID |
| Color | BLACK |
| Width | 1.500 INCHES NOMINAL IN |
| Screw Drive Type | SLOT |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| Fluted Foil Quantity | 8 |
| 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 |
|---|---|
| 38-7751-221-00-4-10 PRIMARY | Cosmo Corporation (USA) |
| Reference | Meaning |
|---|---|
| S751-3LBB | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| S-751-3L-BB | 5/9 Secondary reference Kurz-Kasch Inc |
| 751-3L-BB | 5/9 Secondary reference Kurz-Kasch Inc |
| 243002-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5355-01-072-4739 is a Knob, manufactured by Cosmo Corporation, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-072-4739 has 1 manufacturer part number on file: 38-7751-221-00-4-10 (Cosmo Corporation).
Key specifications for 38-7751-221-00-4-10: Distance From Hole Center to Knob/skirt Base: 0.375 INCHES NOMINAL IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.750 INCHES NOMINAL IN; Style Designator: SKIRTED/ROUND WITH DOUBLE FIN LEVER. 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.