The Screw,drive, cataloged under National Stock Number 5305-01-472-9829, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-472-9829 |
| Primary Part Number | S640NG88TAA08307BNCG1 |
| Item Name | Screw,drive |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Nonmachine Nominal Thread Diameter | 0.190 INCHES IN |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTMB633,TYPE1 ASSN STD 1ST TREATMENT RESPONSE OVERALL |
| Material Document and Classification | ASTMA307,GRADEB ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1005 OVERALL |
| 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 |
|---|---|
| S640NG88TAA08307BNCG1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| S640NG88TAA08307BNCG1 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-472-9829 is a Screw,drive, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-472-9829 has 1 manufacturer part number on file: S640NG88TAA08307BNCG1 (The American Society of Mechanical Engineers).
Key specifications for S640NG88TAA08307BNCG1: Nonmachine Nominal Thread Diameter: 0.190 INCHES IN; Fastener Length: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTMB633,TYPE1 ASSN STD 1ST TREATMENT RESPONSE OVERALL; Material Document and Classification: ASTMA307,GRADEB ASSN STD 1ST MATERIAL RESPONSE OVERALL. 6 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.