The Bolt,u, cataloged under National Stock Number 5306-01-366-9889, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-366-9889 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Inside Distance Between Shanks | 3.720 INCHES MINIMUM AND 3.810 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-S-416 TY 1 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Thread Length | 0.380 INCHES NOMINAL IN |
| Distance From Inside Center of Bend to Bolt End | 2.990 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN |
| Style Designator | ROUND BEND |
| Material Document and Classification | QQ-S-637 COMP 1110 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1110 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 |
|---|---|
| BACC10Y48P12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-366-9889 is a Bolt,u, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-366-9889: Inside Distance Between Shanks: 3.720 INCHES MINIMUM AND 3.810 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-S-416 TY 1 FED SPEC 1ST TREATMENT RESPONSE OVERALL; Thread Length: 0.380 INCHES NOMINAL IN; Distance From Inside Center of Bend to Bolt End: 2.990 INCHES MINIMUM AND 3.020 INCHES MAXIMUM IN. 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.