The Bolt,u, cataloged under National Stock Number 5306-01-663-8202, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Isometrics Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-663-8202 |
| Primary Part Number | ISO-1234 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Isometrics Inc |
| Status | ACTIVE |
| Inside Distance Between Shanks | 4.700 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 5.810 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 304 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 |
|---|---|
| ISO-1234 PRIMARY | Isometrics Inc (USA) |
| Reference | Meaning |
|---|---|
| 38X4.5X6RDSS | 7/9 Vendor item drawing reference Mid-States Bolt & Screw Co |
NSN 5306-01-663-8202 is a Bolt,u, manufactured by Isometrics Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-663-8202 has 1 manufacturer part number on file: ISO-1234 (Isometrics Inc).
Key specifications for ISO-1234: Inside Distance Between Shanks: 4.700 INCHES NOMINAL IN; Thread Length: 1.500 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 5.810 INCHES NOMINAL IN; Style Designator: ROUND BEND. 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.