The Screw,shoulder, cataloged under National Stock Number 5305-01-445-4733, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-445-4733 |
| Primary Part Number | 7B1-06150 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Head Height | 0.347 INCHES NOMINAL IN |
| Fastener Length | 2.713 INCHES NOMINAL IN |
| Shoulder Length | 1.593 INCHES NOMINAL ALL SHOULDERS IN |
| Surface Treatment Document and Classification | MIL-F-14072, E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.528 INCHES MINIMUM AND 0.529 INCHES MAXIMUM ALL SHOULDERS IN |
| Thread Length | 1.060 INCHES MINIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Material Document and Classification | AMS 5643, 17-4PH ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 7B1-06150 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7D3-04544-13 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 5305-01-445-4733 is a Screw,shoulder, manufactured by Lake Shore Systems, Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-445-4733 has 1 manufacturer part number on file: 7B1-06150 (Lake Shore Systems, Inc.).
Key specifications for 7B1-06150: Head Height: 0.347 INCHES NOMINAL IN; Fastener Length: 2.713 INCHES NOMINAL IN; Shoulder Length: 1.593 INCHES NOMINAL ALL SHOULDERS IN; Surface Treatment Document and Classification: MIL-F-14072, E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.