The Bolt,machine, cataloged under National Stock Number 5306-01-556-6439, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-01-556-6439 |
| Primary Part Number | 19935 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | CANCELLED |
| Width Between Flats | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Material | STEEL OVERALL |
| Thread Quantity Per Inch | 16 |
| Thread Class | 2A A |
| Surface Treatment Document and Classification | ASTM F1941, FE/ZN 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL A |
| Surface Treatment | ZINC OVERALL |
| Features Provided | CASEHARDENED |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Height | 0.307 INCHES MINIMUM AND 0.331 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.771 INCHES MINIMUM AND 0.793 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.960 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN |
| Head Style | CHAMFER SERRATED FLANGE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5310000448-00 | Lehavot Fire Protection (ISR) |
| 5310000448-00 | Lehavot Fire Protection (ISR) |
| 19935 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5306-01-556-6439 is a Bolt,machine, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-01-556-6439 has 3 cross-referenced part numbers: 5310000448-00 (Lehavot Fire Protection), 5310000448-00 (Lehavot Fire Protection), 19935 (Fastenal Company Dba Fastenal Co).
There are 7 known substitutes for 5306-01-556-6439: 5306-01-556-6440, 5950-00-645-5311, 5305-00-874-7508 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 19935: Width Between Flats: 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Special Features: CASE HARDNESS RATED AT ROCKWELL C 40.0 MINIMUM; CASE DEPTH IS 0.005 TO 0.011 INCHES; CORE HARDNESS IS RATED ROCKWELL C 25.0 TO 34.0 IN; Nominal Thread Diameter: 0.375 INCHES IN; Material: STEEL OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-01-556-6439 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.