The Bolt,shoulder, cataloged under National Stock Number 5306-01-166-0966, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Dba Formerly Known As Kelsey- Hayes. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-166-0966 |
| Primary Part Number | GTS275-11 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Goodrich Dba Formerly Known As Kelsey- Hayes |
| Status | ACTIVE |
| Extended Washer Thickness | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Head Height | 0.338 INCHES NOMINAL IN |
| Fastener Length | 1.188 INCHES NOMINAL IN |
| Shoulder Length | 0.252 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Shoulder Diameter | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.876 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL 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 |
NSN 5306-01-166-0966 is a Bolt,shoulder, manufactured by Goodrich Dba Formerly Known As Kelsey- Hayes, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-166-0966 has 2 manufacturer part numbers on file: GTS275-11 (Goodrich Limited Div Goodrich Ltd), GTS275-11 (Goodrich Dba Formerly Known As Kelsey- Hayes).
Key specifications for GTS275-11: Extended Washer Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Head Height: 0.338 INCHES NOMINAL IN; Fastener Length: 1.188 INCHES NOMINAL IN; Shoulder Length: 0.252 INCHES MINIMUM AND 0.312 INCHES MAXIMUM FIRST SHOULDER IN. 17 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.