The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-905-1645, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allmetal Screw Products Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-905-1645 |
| Primary Part Number | CCSS-4B0 |
| Item Name | Screw,externally Relieved Body |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Allmetal Screw Products Corp |
| Status | CANCELLED |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.218 INCHES MINIMUM IN |
| Fastener Length | 0.593 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Color | BLACK OVERALL |
| Surface Treatment | OXIDE FILM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.375 INCHES NOMINAL IN |
| Internal Drive Style | TORQUE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Surface Treatment Document and Classification | MIL-C-13924CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Height | 0.125 INCHES NOMINAL IN |
| Head Diameter | 0.281 INCHES NOMINAL IN |
| First Diameter From Head | 0.086 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Thread Class | 2A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| Y9-4U | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| V9-4 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| Y9-4 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| SM-A-949476-1 | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA) |
| 127611 | Federal Screw Products, Inc. (USA) |
| 10851-004 | Astronautics Corporation of America (USA) |
| 0N270854-2 | National Security Agency (USA) |
| 0N370854-2 | Allmetal Screw Products Corp (USA) |
| CCSS-4B0 PRIMARY | Allmetal Screw Products Corp (USA) |
NSN 5305-00-905-1645 is a Screw,externally Relieved Body, manufactured by Allmetal Screw Products Corp, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-905-1645 has 9 cross-referenced part numbers: Y9-4U (Roller Bearing Co of America, Inc Div Pic Design), V9-4 (Roller Bearing Co of America, Inc Div Pic Design), Y9-4 (Roller Bearing Co of America, Inc Div Pic Design), SM-A-949476-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 127611 (Federal Screw Products, Inc.) and 4 more.
There are 3 known substitutes for 5305-00-905-1645: 3030-00-215-5104, 4130-00-759-1023, 4940-01-090-8229. Verify interchangeability with system specifications before substitution.
Key specifications for CCSS-4B0: Externally Relieved Body Diameter Quantity: 1; Thread Direction: RIGHT-HAND; Thread Length: 0.218 INCHES MINIMUM IN; Fastener Length: 0.593 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-905-1645 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.