The Bolt,shoulder, cataloged under National Stock Number 5306-00-020-1058, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-020-1058 |
| Primary Part Number | 11662487 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 1.953 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN |
| Shoulder Length | 1.594 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.4305 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR AISI ASSN STD 1ST MATERIAL RESPONSE OR ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OR AISI ASSN STD 3RD MATERIAL RESPONSE OR ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR AISI ASSN STD 4TH MATERIAL RESPONSE OR QQ-S-634-CANCELED FED SPEC 5TH MATERIAL RESPONSE OR AISI ASSN STD 5TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR AISI ASSN STD 6TH MATERIAL RESPONSE OR AISI ASSN STD 7TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 8TH MATERIAL RESPONSE OR AISI ASSN STD 8TH MATERIAL RESPONSE OR AISI ASSN STD 9TH MATERIAL RESPONSE OR AISI ASSN STD 10TH MATERIAL RESPONSE OR ASTM A108 ASSN STD 11TH MATERIAL RESPONSE OR AISI ASSN STD 11TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 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 |
|---|---|
| 11662487 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| GS106-34R | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5306000201058 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5306-00-020-1058 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-020-1058 has 2 manufacturer part numbers on file: 11662487 (U S Army Tank Automotive Command Amsta-Im-Mm), GS106-34R (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11662487: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 1.953 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN; Shoulder Length: 1.594 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.4305 INCHES MINIMUM AND 0.4375 INCHES MAXIMUM FIRST SHOULDER IN. 15 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.