The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-196-5565, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-196-5565 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Fastener Length | 3.150 INCHES MINIMUM AND 3.160 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-N-290,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Internal Thread Length | 0.380 INCHES MINIMUM COUNTERBORE IN |
| Thread Series | UNF COUNTERBORE |
| Concentric Hole Depth | 0.620 INCHES MAXIMUM IN |
| Internal Thread Direction | RIGHT-HAND COUNTERBORE |
| Thread Length | 0.360 INCHES MINIMUM IN |
| Threads Per Inch | 32 COUNTERBORE |
| Style Designator | COUNTERBORE THREADED |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES COUNTERBORE IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Internal Thread Class | 2A COUNTERBORE A |
| Concentric Hole Diameter | 0.204 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OR STEEL COMP 1042 OR STEEL COMP 1043 OR STEEL COMP 1044 OR STEEL COMP 1045 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 |
| Reference | Meaning |
|---|---|
| 967C992-02 | 5/2 Secondary reference U.S. Government activity |
| 953B869-1 | 5/9 Secondary reference U.S. Government activity |
| 967C992-02 | 5/9 Secondary reference U.S. Government activity |
| 953B869-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-196-5565 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-196-5565: Head Height: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Fastener Length: 3.150 INCHES MINIMUM AND 3.160 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-N-290,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Thread Length: 0.380 INCHES MINIMUM COUNTERBORE IN. 22 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.