The Screw,machine, cataloged under National Stock Number 5305-00-152-2823, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-152-2823 |
| Primary Part Number | BB422-6-3 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Fastener Length | 0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Length | 0.239 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.125 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.224 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-00-152-2823 is a Screw,machine, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-152-2823 has 2 manufacturer part numbers on file: BB422-6-3 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BB422-6-3 (Hi-Shear Corporation).
Key specifications for BB422-6-3: Fastener Length: 0.417 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE; Thread Length: 0.239 INCHES MINIMUM IN; Nominal Thread Diameter: 0.125 INCHES 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.