The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-377-0834, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lyn-Tron, Inc. Dba Lyn-Tron Inc. Government technical data includes 17 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 | 5306-01-377-0834 |
| Primary Part Number | ST9425-32 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lyn-Tron, Inc. Dba Lyn-Tron Inc |
| Status | ACTIVE |
| Head Height | 0.187 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE |
| Internal Thread Direction | RIGHT-HAND CONCENTRIC HOLE |
| Thread Length | 0.450 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Threads Per Inch | 40 CONCENTRIC HOLE |
| Style Designator | CONCENTRIC HOLE THREADED |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES CONCENTRIC HOLE IN |
| Width Between Flats | 0.188 INCHES NOMINAL IN |
| Internal Thread Class | 2B CONCENTRIC HOLE |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| 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 |
|---|---|
| ST9425-32 PRIMARY | Lyn-Tron, Inc. Dba Lyn-Tron Inc (USA) |
NSN 5306-01-377-0834 is a Bolt,internally Relieved Body, manufactured by Lyn-Tron, Inc. Dba Lyn-Tron Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-377-0834 has 1 manufacturer part number on file: ST9425-32 (Lyn-Tron, Inc. Dba Lyn-Tron Inc).
Key specifications for ST9425-32: Head Height: 0.187 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE; Internal Thread Direction: RIGHT-HAND CONCENTRIC HOLE. 17 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.