The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-570-0448, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Suburban Bolt & Supply Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-570-0448 |
| Primary Part Number | A0031000232ZYD |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Suburban Bolt & Supply Co |
| Status | ACTIVE |
| Nominal Thread Diameter | 1.0 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 8 |
| 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 |
|---|---|
| A0031000232ZYD PRIMARY | Suburban Bolt & Supply Co (USA) |
| AES01CA00B50WA6DG2 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| B18.2.1 | 5/1 Secondary reference U.S. Government activity |
| A0031000232Z | 5/9 Secondary reference Suburban Bolt & Supply Co |
NSN 5305-01-570-0448 is a Screw,cap,hexagon Head, manufactured by Suburban Bolt & Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-570-0448 has 2 manufacturer part numbers on file: A0031000232ZYD (Suburban Bolt & Supply Co), AES01CA00B50WA6DG2 (The American Society of Mechanical Engineers).
Key specifications for A0031000232ZYD: Nominal Thread Diameter: 1.0 INCHES IN; Head Style: HEXAGON; Thread Direction: RIGHT-HAND; Special Features: HEX CAP,1-8 X 2-1/2,GRADE 8,ZYD BOLT FOR LAV-D KIT;FINISH: ASTM F 1941,ZINC COATING FE/ZN,TYPE 5C. 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.