The Bolt,shoulder, cataloged under National Stock Number 5306-01-372-3017, 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 28 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-372-3017 |
| Primary Part Number | 12418153 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 4H6H |
| Fastener Length | 71.7 MILLIMETERS MINIMUM AND 72.3 MILLIMETERS MAXIMUM MM |
| Shoulder Length | 1.7 MILLIMETERS MINIMUM AND 2.3 MILLIMETERS MAXIMUM FIRST SHOULDER MM |
| Shoulder Length | 46.7 MILLIMETERS MINIMUM AND 47.3 MILLIMETERS MAXIMUM SECOND SHOULDER MM |
| Surface Treatment Document and Classification | MIL-P-53084 FED SPEC 3RD TREATMENT RESPONSE AND MIL-C-46168 MIL SPEC 2ND TREATMENT RESPONSE OR MIL-C-53039 MIL SPEC 2ND TREATMENT RESPONSE BEARING SURFACE OF HEAD |
| Surface Treatment Document and Classification | MIL-P-53084 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-46168 MIL SPEC 2ND TREATMENT RESPONSE OR MIL-C-53039 MIL SPEC 2ND TREATMENT RESPONSE ALL SHOULDERS |
| Surface Treatment Document and Classification | MIL-P-53084 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-C-46168 MIL SPEC 2ND TREATMENT RESPONSE OR MIL-C-53039 MIL SPEC 2ND TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | TT-C-490 TY 1 CL OPTIONAL FED SPEC 1ST TREATMENT RESPONSE OR TT-C-490 TY 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 21.5 MILLIMETERS MINIMUM AND 22.1 MILLIMETERS MAXIMUM FIRST SHOULDER MM |
| Shoulder Diameter | 23.7 MILLIMETERS MINIMUM AND 23.8 MILLIMETERS MAXIMUM SECOND SHOULDER MM |
| Thread Pitch in Millimeters | 1.75 |
| Thread Length | 19.7 MILLIMETERS MINIMUM AND 20.3 MILLIMETERS MAXIMUM MM |
| Shoulder Shape | ROUND SECOND SHOULDER |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 26.7 MILLIMETERS MINIMUM AND 27.3 MILLIMETERS MAXIMUM MM |
| Color | GREEN HEAD |
| Color | GREEN ALL SHOULDERS |
| Color | GREEN BEARING SURFACE OF HEAD |
| Surface Treatment | PAINT AND PLASTIC POLYURETHANE ALL SHOULDERS |
| Surface Treatment | PAINT AND PLASTIC POLYURETHANE BEARING SURFACE OF HEAD |
| Surface Treatment | PAINT AND PLASTIC POLYURETHANE HEAD |
| Surface Treatment | PHOSPHATE ZINC OR PAINT OVERALL |
| Material | STEEL COMP 1117 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-01-372-3017 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-372-3017 has 3 manufacturer part numbers on file: 12418153 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12418153 (U S Army Tank Automotive Command Amsta-Im-Mm), 12418153 (Amz Alabama Inc.).
Key specifications for 12418153: Head Height: 2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 4H6H; Fastener Length: 71.7 MILLIMETERS MINIMUM AND 72.3 MILLIMETERS MAXIMUM MM; Shoulder Length: 1.7 MILLIMETERS MINIMUM AND 2.3 MILLIMETERS MAXIMUM FIRST SHOULDER MM. 28 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.