The Knob, cataloged under National Stock Number 5355-00-972-8758, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-00-972-8758 |
| Primary Part Number | A554-294 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Overall Thickness | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES STUD IN |
| Gripping Surface Condition | SMOOTH |
| Thread Quantity Per Inch | 24 STUD |
| Material | STEEL COMP 303 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD |
| Attachment Method | STUD |
| 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 |
|---|---|
| A554-294 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 554A003684 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5355-00-972-8758 is a Knob, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-00-972-8758 has 1 manufacturer part number on file: A554-294 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for A554-294: Overall Thickness: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN; Style Designator: ROUND; Outside Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Nominal Thread Size: 0.190 INCHES STUD IN. 9 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.