The Screw,shoulder, cataloged under National Stock Number 5305-01-596-1573, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-596-1573 |
| Primary Part Number | SAEJ58A574C3808CY20 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Material | STEEL 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 |
|---|---|
| SAEJ58A574C3808CY20 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAEJ58A574C3808CY20 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-596-1573 is a Screw,shoulder, manufactured by Sae International Dba Sae International, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-596-1573 has 1 manufacturer part number on file: SAEJ58A574C3808CY20 (Sae International Dba Sae International).
Key specifications for SAEJ58A574C3808CY20: Fastener Length: 20.0 MILLIMETERS NOMINAL MM; Head Style: DOUBLE HEXAGON EXTENDED WASHER; Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: FLANGED 12-POINT SCREW. 4 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.