The Screw,machine, cataloged under National Stock Number 5305-01-151-0640, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is M.s. Aerospace Inc. Dba Ms Aerospace Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-151-0640 |
| Primary Part Number | 4056T33P01 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| Status | ACTIVE |
| Head Height | 0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Bearing Surface of Head Surface Finish | 63.0 MICROINCHES |
| Fastener Length | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Screw Material Document and Classification | B50TF15-CL-B,FSCM 99207 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Length | 0.380 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL CORROSION RESISTING |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.308 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 |
| Part Number | Manufacturer |
|---|---|
| 4056T33P01 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 10159636 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4056T33P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-151-0640 is a Screw,machine, manufactured by M.s. Aerospace Inc. Dba Ms Aerospace Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-151-0640 has 1 manufacturer part number on file: 4056T33P01 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for 4056T33P01: Head Height: 0.210 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Bearing Surface of Head Surface Finish: 63.0 MICROINCHES; Fastener Length: 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Screw Material Document and Classification: B50TF15-CL-B,FSCM 99207 MFR REF SINGLE MATERIAL RESPONSE. 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.