The Screw,lag, cataloged under National Stock Number 5305-00-406-5178, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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 | 5305-00-406-5178 |
| Primary Part Number | 22261 |
| Item Name | Screw,lag |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Fastenal Company |
| Status | CANCELLED |
| Nonmachine Nominal Thread Diameter | 0.375 INCHES IN |
| Head Height | 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Nonmachine Thread Style | GIMLET POINT (TYPE A, AB OR BA) |
| Head Style | HEXAGON |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Hardness Rating | 60.0 ROCKWELL B MINIMUM OVERALL |
| Material | STEEL OVERALL |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shoulder Length | 0.125 INCHES MINIMUM FIRST SHOULDER IN |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Width Between Flats | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.360 INCHES MINIMUM AND 0.388 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | ASTM A153-60 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ANSI B18.2.1 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| FF-B-561 TY1ST1GRB | General Services Administration Federal Supply Service (USA) |
| 22261 PRIMARY | Fastenal Company (USA) |
| MS16992-543 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| ASME B18.2.1 | The American Society of Mechanical Engineers (USA) |
| FFB561 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-406-5178 is a Screw,lag, manufactured by Fastenal Company, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-406-5178 has 6 cross-referenced part numbers: ANSI B18.2.1 (American National Standards Institute Incorporated Dba American National Standards Institute), FF-B-561 TY1ST1GRB (General Services Administration Federal Supply Service), 22261 (Fastenal Company), MS16992-543 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), ASME B18.2.1 (The American Society of Mechanical Engineers) and 1 more.
There are 12 known substitutes for 5305-00-406-5178: 5305-00-145-1064, 5305-00-177-5505, 5305-00-177-5542 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 22261: Nonmachine Nominal Thread Diameter: 0.375 INCHES IN; Head Height: 0.226 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN; Nonmachine Thread Style: GIMLET POINT (TYPE A, AB OR BA); Head Style: HEXAGON. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-406-5178 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.