The Bolt,shoulder, cataloged under National Stock Number 5306-01-445-3744, 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 19 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 | 5306-01-445-3744 |
| Primary Part Number | 12421697-002 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Extended Washer Thickness | 2.4 MILLIMETERS MINIMUM MM |
| Head Height | 15.5 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 52.0 MILLIMETERS MINIMUM AND 58.0 MILLIMETERS MAXIMUM MM |
| Shoulder Length | 14.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM FIRST SHOULDER MM |
| Surface Treatment Document and Classification | DIN 267 PART 9 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 32.8 MILLIMETERS MAXIMUM MM |
| Shoulder Diameter | 17.0 MILLIMETERS NOMINAL FIRST SHOULDER MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 39.0 MILLIMETERS MINIMUM AND 41.0 MILLIMETERS MAXIMUM MM |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | DIN 267 PART 11 NATIONAL SPEC SINGLE MATERIAL RESPONSE AND DIN 6921 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 16.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 20.5 MILLIMETERS MINIMUM AND 21.1 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL PROPERTY CLASS 10.9 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| 12421697-002 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12421697-002 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12421697-002 | Amz Alabama Inc. (USA) |
NSN 5306-01-445-3744 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-445-3744 has 3 manufacturer part numbers on file: 12421697-002 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12421697-002 (U S Army Tank Automotive Command Amsta-Im-Mm), 12421697-002 (Amz Alabama Inc.).
Key specifications for 12421697-002: Extended Washer Thickness: 2.4 MILLIMETERS MINIMUM MM; Head Height: 15.5 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 52.0 MILLIMETERS MINIMUM AND 58.0 MILLIMETERS MAXIMUM MM. 19 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.