The Bolt,u, cataloged under National Stock Number 5306-00-993-7337, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Abb Installation Products Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-993-7337 |
| Primary Part Number | H286-2 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.427 INCHES MINIMUM AND 2.447 INCHES MAXIMUM IN |
| Thread Length | 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN |
| Hardness Rating | 62.0 ROCKWELL B NOMINAL OVERALL |
| Distance From Inside Center of Bend to Bolt End | 4.302 INCHES MINIMUM AND 4.322 INCHES MAXIMUM IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Minimum Yield Strength | 33000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| H286-2 | Abb Installation Products Inc (USA) |
| 347C386H06 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 347C386H06 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-993-7337 is a Bolt,u, manufactured by Abb Installation Products Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-993-7337 has 2 manufacturer part numbers on file: H286-2 (Abb Installation Products Inc), 347C386H06 (Westinghouse Electric Corp).
Key specifications for H286-2: Inside Distance Between Shanks: 2.427 INCHES MINIMUM AND 2.447 INCHES MAXIMUM IN; Thread Length: 2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM IN; Hardness Rating: 62.0 ROCKWELL B NOMINAL OVERALL; Distance From Inside Center of Bend to Bolt End: 4.302 INCHES MINIMUM AND 4.322 INCHES MAXIMUM IN. 13 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.