The Lock,shaft, cataloged under National Stock Number 5355-01-121-1772, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5355-01-121-1772 |
| Item Name | Lock,shaft |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Style Designator | HEXAGON |
| Accommodated Shaft Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Material | COPPER ALLOY 360 OVERALL |
| Attachment Method | CENTER HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1A20177H01 | 5/9 Secondary reference U.S. Government activity |
| 1701 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5355-01-121-1772 is a Lock,shaft, classified under FSC 5355, Knobs and Pointers. Status: active.
Key specifications for 5355-01-121-1772: Style Designator: HEXAGON; Special Features: 0.500 IN. THICKNESS;MATERIAL DOCUMENT AND CLASSIFICATION,OVERALL FED SPEC QQ-B-626,1/2; SURFACE TREATMENT DOCUMENT AND CLASSIFICATION,OVERALL FED SPEC QQ-N-290 IN; Accommodated Shaft Diameter: 0.250 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL. 5 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.