The Bolt,shoulder, cataloged under National Stock Number 5306-01-536-7189, 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 17 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 | 5306-01-536-7189 |
| Primary Part Number | 12423655 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Fastener Length | 2.56 INCHES NOMINAL IN |
| Shoulder Length | 7.235 INCHES NOMINAL ALL SHOULDERS IN |
| Shoulder Length | 7.235 INCHES NOMINAL OVERALL IN |
| Surface Treatment Document and Classification | ASTM ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.63 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Shoulder Shape | ROUND OVERALL |
| Material Document and Classification | ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.0 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Color | OLIVE DRAB OVERALL |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| 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 5306-01-536-7189 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-536-7189 has 3 manufacturer part numbers on file: 12423655 (U S Army Tank Automotive Command Amsta-Im-Mm), 12423655 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12423655 (Amz Alabama Inc.).
Key specifications for 12423655: Fastener Length: 2.56 INCHES NOMINAL IN; Shoulder Length: 7.235 INCHES NOMINAL ALL SHOULDERS IN; Shoulder Length: 7.235 INCHES NOMINAL OVERALL IN; Surface Treatment Document and Classification: ASTM ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 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.