The Bolt,machine, cataloged under National Stock Number 5306-01-004-9473, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Gardner Denver Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-004-9473 |
| Primary Part Number | M1583 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Gardner Denver Inc. |
| Status | ACTIVE |
| Extended Washer Thickness | 0.074 INCHES MINIMUM IN |
| Head Height | 0.312 INCHES MAXIMUM IN |
| Fastener Length | 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Thread Length | 1.339 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 135000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1022 OR STEEL COMP 1524 OVERALL |
| 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 |
|---|---|
| M1583 PRIMARY | Gardner Denver Inc. (USA) |
| Reference | Meaning |
|---|---|
| M-1583 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5306-01-004-9473 is a Bolt,machine, manufactured by Gardner Denver Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-004-9473 has 1 manufacturer part number on file: M1583 (Gardner Denver Inc.).
Key specifications for M1583: Extended Washer Thickness: 0.074 INCHES MINIMUM IN; Head Height: 0.312 INCHES MAXIMUM IN; Fastener Length: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN; Extended Washer Diameter: 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. 16 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.