The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-01-314-6742, 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 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-314-6742 |
| Primary Part Number | 12363604 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 0.260 INCHES NOMINAL IN |
| Fastener Length | 2.750 INCHES NOMINAL IN |
| Shoulder Length | 0.440 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.320 INCHES NOMINAL IN |
| Shoulder Diameter | 0.840 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 2.120 INCHES NOMINAL IN |
| Shoulder Shape | RIBBED FIRST SHOULDER |
| Material Document and Classification | SAE J429 GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Rib Length | 0.380 INCHES NOMINAL IN |
| Rib Minor Diameter | 0.8255 INCHES MINIMUM AND 0.8305 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Rib Major Diameter | 0.8590 INCHES MINIMUM AND 0.8690 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Rib Quantity | 40 |
| Head Diameter | 1.280 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12363604 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5306-01-314-6742 is a Bolt,ribbed Shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-314-6742 has 1 manufacturer part number on file: 12363604 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12363604: Head Height: 0.260 INCHES NOMINAL IN; Fastener Length: 2.750 INCHES NOMINAL IN; Shoulder Length: 0.440 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: DOD-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 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.