The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-192-5744, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rosebank Engineering Pty Ltd. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-192-5744 |
| Primary Part Number | DB1864 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rosebank Engineering Pty Ltd |
| Status | ACTIVE |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| DB1864 | Rosebank Engineering Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| DB1864 | 5/9 Secondary reference Rosebank Engineering |
| 2607641 | 3/2 Design control — primary reference U.S. Government activity |
| 10116134 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2607641 | 3/9 Design control — primary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
NSN 5306-01-192-5744 is a Bolt,close Tolerance, manufactured by Rosebank Engineering Pty Ltd, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-192-5744 has 1 manufacturer part number on file: DB1864 (Rosebank Engineering Pty Ltd).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-414-0418. Verify interchangeability with system specifications before substitution.
Key specifications for DB1864: Fastener Length: 1.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.375 INCHES IN; Head Style: SPLINE EXTENDED WASHER; Thread Class: 3A A. 7 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.