The Bolt,machine, cataloged under National Stock Number 5306-01-242-0620, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sullair Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-242-0620 |
| Primary Part Number | WLFS 1420-1/2 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sullair Corp |
| Status | ACTIVE |
| Head Height | 0.234 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.531 INCHES NOMINAL IN |
| Thread Length | 0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.375 INCHES MAXIMUM IN |
| Locking Feature | LOCKING TEETH BEARING SURFACE OF HEAD |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| WLFS 1420-1/2 PRIMARY | Sullair Corp (USA) |
| Reference | Meaning |
|---|---|
| 829704-050 | 5/2 Secondary reference U.S. Government activity |
| 829704-050 | 5/9 Secondary reference Sullair Corp |
| WLFS 1420-1/2 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-242-0620 is a Bolt,machine, manufactured by Sullair Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-242-0620 has 1 manufacturer part number on file: WLFS 1420-1/2 (Sullair Corp).
Key specifications for WLFS 1420-1/2: Head Height: 0.234 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Extended Washer Diameter: 0.531 INCHES NOMINAL IN; Thread Length: 0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 15 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.