The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-451-0052, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-451-0052 |
| Primary Part Number | 1947697-1 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| Head Height | 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Fastener Length | 3.500 INCHES NOMINAL IN |
| Thread Length | 0.430 INCHES MINIMUM IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.368 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 3.070 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Head Diameter | 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 1947697-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 1947697-1 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5306-00-451-0052 is a Bolt,internal Wrenching, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-451-0052 has 1 manufacturer part number on file: 1947697-1 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 1947697-1: Width Across Flats: 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN; Head Height: 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Fastener Length: 3.500 INCHES NOMINAL IN; Thread Length: 0.430 INCHES MINIMUM IN. 11 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.