The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-383-4957, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-383-4957 |
| Primary Part Number | 2140131 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | CANCELLED |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 3RD TREATMENT RESPONSE AND QQ-Z-325,TY 2,CL 3 FED SPEC 4TH TREATMENT RESPONSE OVERALL |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Shoulder Length | 0.906 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |
| Rib Length | 0.781 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Rib Quantity | 25 |
| Hardness Rating | 300.0 BRINELL STANDARD MINIMUM AND 350.0 BRINELL STANDARD MAXIMUM OVERALL |
| Shoulder Diameter | 0.840 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material | STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 3135 OR STEEL COMP 4140 OR STEEL COMP 4135 OVERALL |
| Thread Series Designator | UNF |
| Rib Major Diameter | 0.875 INCHES NOMINAL IN |
| Head Diameter | 1.188 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Head Height | 0.312 INCHES NOMINAL IN |
| Thread Length | 1.156 INCHES MINIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Fastener Length | 2.469 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| Successor | 6530-01-382-1475 (68248) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2140131 | General Motors Corp (USA) |
| 68248 | Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products (USA) |
| 0511404A | Rivinius Inc Littleford Machinery Div (USA) |
| 18A68248E | Eagle Mfg Co (USA) |
| 68248E | Budd Co the (USA) |
| 18A68248E | Fwd Seagrave Holdings Lp (USA) |
| 82017 | Hayes Wheels Intl Inc Akron Opns (USA) |
| 3109188 | Gerstenlager Co the (USA) |
| 5306003834957 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| A14572 | Am General Llc (USA) |
| 14572 | Pressed Metals of America Inc (USA) |
| 621007 | Aqua-Chem Inc Cleaver-Brooks Div (USA) |
| 7339238 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| MS51946-2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 501245 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 667772 | Sasco Inc Canadian Div |
| 2140131 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 68248E | Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products (USA) |
NSN 5306-00-383-4957 is a Bolt,ribbed Shoulder, manufactured by General Motors Corp, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-383-4957 has 18 cross-referenced part numbers: 2140131 (General Motors Corp), 68248 (Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products), 0511404A (Rivinius Inc Littleford Machinery Div), 18A68248E (Eagle Mfg Co), 68248E (Budd Co the) and 13 more.
There are 12 known substitutes for 5306-00-383-4957: 6530-01-382-1475, 5835-00-013-9271, 5940-00-082-4666 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2140131: Distance From Largest Diameter of Bearing Surface of Head to Ribs: 0.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE AND QQ-P-416,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 3RD TREATMENT RESPONSE AND QQ-Z-325,TY 2,CL 3 FED SPEC 4TH TREATMENT RESPONSE OVERALL; Thread Quantity Per Inch: 16; Nominal Thread Diameter: 0.750 INCHES IN. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-383-4957 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.