The Bolt,machine, cataloged under National Stock Number 5306-01-472-4389, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-472-4389 |
| Primary Part Number | 20-092-04-19 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.125 INCHES NOMINAL IN |
| Special Test Features | MATERIAL: 6AL-4V TITANIUM ALLOY PER AMS4928 OR AMS4967, LOCKING ELEMENT: POLYETHYLENE TEREPHTHALATE PER AMS3612, COLOR OPTIONAL, 400 DEGREES F MIN,HEAT TREATMENT: 160 KSI FTU MIN, DEVELOP BASIC MATERIAL PROPERTIES WITH CONTROLS PER AMS-H-81200 OR AMS2801, FINISH: ALUMINUM COATING PER NAS4006 V |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | DISHED HEXAGON |
| Grip Length | 1.188 INCHES NOMINAL IN |
| Width Between Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY OVERALL |
| Material | PLASTIC, POLYETHYLENE (PP) LOCKING FEATURE |
| 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 |
|---|---|
| 20-092-04-19 | Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners (USA) |
| 20-092-04-19 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 20-092-04-19 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 20-092-04-19 | Long-Lok, Llc (USA) |
| 20-092-04-19 | Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona (USA) |
| 20-092-04-19 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 20-092-04-19 | 5/9 Secondary reference Mecair Aerospace Industries,subsidiary of Spstechnologiesdiv Division of Sps Technologiesdba Mecair Inc. Div Division of Sps Technologies |
| 20-092-04-19 | 5/9 Secondary reference Sps Technologies Inc |
| 20-092-04-19 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-472-4389 is a Bolt,machine, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-472-4389 has 6 manufacturer part numbers on file: 20-092-04-19 (Pilgrim Screw Corporation Dba Pilgrim Aerospace Fasteners), 20-092-04-19 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 20-092-04-19 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 20-092-04-19 (Long-Lok, Llc), 20-092-04-19 (Pilgrim Screw Corp Dba Pilgrim Aerospace Fasteners Div Arizona) and 1 more.
Key specifications for 20-092-04-19: Head Height: 0.125 INCHES NOMINAL IN; Special Test Features: MATERIAL: 6AL-4V TITANIUM ALLOY PER AMS4928 OR AMS4967, LOCKING ELEMENT: POLYETHYLENE TEREPHTHALATE PER AMS3612, COLOR OPTIONAL, 400 DEGREES F MIN,HEAT TREATMENT: 160 KSI FTU MIN, DEVELOP BASIC MATERIAL PROPERTIES WITH CONTROLS PER AMS-H-81200 OR AMS2801, FINISH: ALUMINUM COATING PER NAS4006 V; Nominal Thread Diameter: 0.2500 INCHES IN; Head Style: DISHED HEXAGON. 9 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.