The Bolt,shoulder, cataloged under National Stock Number 5306-00-752-1949, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-752-1949 |
| Primary Part Number | 7521949 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Between Flats | 0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Material Document and Classification | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 2.938 INCHES NOMINAL IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Length | 0.750 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Material | STEEL COMP 8635 OR STEEL COMP 8637 OR STEEL COMP 8640 OR STEEL COMP 3135 OVERALL |
| Thread Direction | RIGHT-HAND |
| Shoulder Length | 1.156 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.4450 INCHES MINIMUM AND 0.4460 INCHES MAXIMUM FIRST SHOULDER IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Quantity Per Inch | 20 |
| Head Diameter | 0.688 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-752-1949 is a Bolt,shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-752-1949 has 3 cross-referenced part numbers: 997A3 (Diamond Reo Truck Co), 913357 (Sasco Inc Canadian Div), 7521949 (U S Army Tank Automotive Command Amsta-Im-Mm).
There is 1 known substitute for 5306-00-752-1949: 5342-00-738-1235. Verify interchangeability with system specifications before substitution.
Key specifications for 7521949: Width Between Flats: 0.460 INCHES MINIMUM AND 0.480 INCHES MAXIMUM IN; Thread Series Designator: UNF; Material Document and Classification: QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL; Head Height: 0.250 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.