The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-297-0679, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-297-0679 |
| Primary Part Number | 443603 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES MINIMUM IN |
| Head Height | 0.156 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 443603 | Rolls-Royce Solutions America Inc (USA) |
| 443603 | General Motors Corp Delco Remy Div (USA) |
| 443603 | Borgwarner Pds (anderson), L.l.c. (USA) |
| PC443603 | Power Components (deutschland) Gmbh (DEU) |
| MS35301-6 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 443603 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 443603 | General Motors Corp (USA) |
| 443603 | Delphi France SAS (FRA) |
NSN 5305-00-297-0679 is a Screw,cap,hexagon Head, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-297-0679 has 8 cross-referenced part numbers: 443603 (Rolls-Royce Solutions America Inc), 443603 (General Motors Corp Delco Remy Div), 443603 (Borgwarner Pds (anderson), L.l.c.), PC443603 (Power Components (deutschland) Gmbh), MS35301-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There is 1 known substitute for 5305-00-297-0679: 5305-00-068-0508. Verify interchangeability with system specifications before substitution.
Key specifications for 443603: Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 0.250 INCHES IN; Head Style: HEXAGON; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-297-0679 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.