The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-598-3322, 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-598-3322 |
| Primary Part Number | AES18U190500DG5LE1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.190 INCHES NOMINAL 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 |
|---|---|
| AES18U190500DG5LE1 PRIMARY | The American Society of Mechanical Engineers (USA) |
| AES18U190500DG5LE1 | Transpec Fasteners, Inc. Dba Transpec Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| AES18U190500DG5L | 5/9 Secondary reference The American Society of Mechanical Engineers |
NSN 5305-01-598-3322 is a Screw,cap,hexagon Head, manufactured by The American Society of Mechanical Engineers, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-598-3322 has 2 manufacturer part numbers on file: AES18U190500DG5LE1 (The American Society of Mechanical Engineers), AES18U190500DG5LE1 (Transpec Fasteners, Inc. Dba Transpec Fasteners Inc).
Key specifications for AES18U190500DG5LE1: Fastener Length: 0.500 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; End Item Identification: 1005015865702; Head Diameter: 0.190 INCHES NOMINAL IN. 3 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.