The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-156-6396, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-156-6396 |
| Primary Part Number | 133599-4 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Thread Length | 0.370 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | CROWNED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| 133599-4 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5306-01-156-6396 is a Bolt,externally Relieved Body, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-156-6396 has 1 manufacturer part number on file: 133599-4 (L3harris Technologies, Inc Div Space & Airborne Systems).
Key specifications for 133599-4: Fastener Length: 1.250 INCHES NOMINAL IN; Thread Length: 0.370 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.313 INCHES IN; Head Style: CROWNED HEXAGON. 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.