The Bolt,machine, cataloged under National Stock Number 5306-01-449-3476, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-449-3476 |
| Primary Part Number | 021-13673 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Fastener Length | 2.750 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 10 |
| 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 |
|---|---|
| 021-13673 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 476-01140 ITEM 50 | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
| 476-01138 ITEM 50 | 5/9 Secondary reference Johnson Controls Navy Systems, Llc |
NSN 5306-01-449-3476 is a Bolt,machine, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-449-3476 has 1 manufacturer part number on file: 021-13673 (Johnson Controls Navy Systems, Llc).
Key specifications for 021-13673: Fastener Length: 2.750 INCHES NOMINAL IN; Nominal Thread Diameter: 0.750 INCHES IN; Head Style: DOUBLE HEXAGON; Thread Direction: RIGHT-HAND. 8 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.