The Bolt,machine, cataloged under National Stock Number 5306-01-109-5074, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Communication Division. Government technical data includes 13 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 | 5306-01-109-5074 |
| Primary Part Number | 1690G-6 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Communication Division |
| Status | ACTIVE |
| Head Height | 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN |
| Fastener Length | 3.900 INCHES MINIMUM AND 4.080 INCHES MAXIMUM IN |
| Thread Length | 1.750 INCHES MINIMUM IN |
| Material Document and Classification | QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY K-500 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 |
|---|---|
| 1690G-6 PRIMARY | Lockheed Martin Sippican, Inc. Div Communication Division (USA) |
NSN 5306-01-109-5074 is a Bolt,machine, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-109-5074 has 1 manufacturer part number on file: 1690G-6 (Lockheed Martin Sippican, Inc. Div Communication Division).
Key specifications for 1690G-6: Head Height: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM IN; Fastener Length: 3.900 INCHES MINIMUM AND 4.080 INCHES MAXIMUM IN; Thread Length: 1.750 INCHES MINIMUM IN; Material Document and Classification: QQ-N-286 CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.