The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-771-2548, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-771-2548 |
| Primary Part Number | 7712548 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Length | 0.781 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Fastener Length | 1.312 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN |
| Head Height | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Shoulder Shape | RIBBED FIRST SHOULDER |
| Thread Series Designator | UNF |
| Thread Quantity Per Inch | 20 |
| Shoulder Diameter | 0.531 INCHES NOMINAL FIRST SHOULDER IN |
| Minimum Yield Strength | 75000 POUNDS PER SQUARE INCH LBS |
| Shoulder Length | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST SHOULDER IN |
| Rib Major Diameter | 0.550 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Material | STEEL OVERALL |
| Rib Length | 0.318 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.062 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Head Diameter | 0.750 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| Successor | 6130-00-232-6074 (S1315048) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 375696 | General Motors Corp (USA) |
| 7712548 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 375696 | Kelsey-Hayes Co Wheel Drum and Brake Div (USA) |
| 20340 | Kelsey-Hayes Co Wheel Drum and Brake Div (USA) |
| 476514 | General Motors Llc Dba General Motors Llc (USA) |
| 375696 | General Motors Llc Dba General Motors Llc (USA) |
| 476514 | General Motors Corp (USA) |
NSN 5306-00-771-2548 is a Bolt,ribbed Shoulder, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-771-2548 has 7 cross-referenced part numbers: 375696 (General Motors Corp), 7712548 (U S Army Tank Automotive Command Amsta-Im-Mm), 375696 (Kelsey-Hayes Co Wheel Drum and Brake Div), 20340 (Kelsey-Hayes Co Wheel Drum and Brake Div), 476514 (General Motors Llc Dba General Motors Llc) and 2 more.
There are 12 known substitutes for 5306-00-771-2548: 6130-00-232-6074, 6515-01-082-8455, 3110-00-100-0329 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7712548: Thread Length: 0.781 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN; Fastener Length: 1.312 INCHES MINIMUM AND 1.328 INCHES MAXIMUM IN; Head Height: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN; Shoulder Shape: RIBBED FIRST SHOULDER. 18 total characteristics are documented in the Federal Logistics Information System.