The Bolt,machine, cataloged under National Stock Number 5306-01-688-5813, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Brackett Aircraft Company, Inc. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-688-5813 |
| Primary Part Number | 3/8-16 X 2 1/2 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Brackett Aircraft Company, Inc |
| Status | ACTIVE |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 3/8-16 X 2 1/2 PRIMARY | Brackett Aircraft Company, Inc (USA) |
NSN 5306-01-688-5813 is a Bolt,machine, manufactured by Brackett Aircraft Company, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-688-5813 has 1 manufacturer part number on file: 3/8-16 X 2 1/2 (Brackett Aircraft Company, Inc).
Key specifications for 3/8-16 X 2 1/2: Fastener Length: 2.500 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Thread Direction: RIGHT-HAND; Part Name Assigned by Controlling Agency: BOLT. 6 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.