The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-707-2978, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rix Industries. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-707-2978 |
| Primary Part Number | 18272-19 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 20 |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | SAE J995 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Specification/standard Data | 813749-MIL-DTL-1222J GOVERNMENT SPECIFICATION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 18272-19 | Rix Industries (USA) |
| M1222RN4C26GFNN | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 34-687 | Rix Industries (USA) |
NSN 5305-01-707-2978 is a Screw,cap,hexagon Head, manufactured by Rix Industries, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-707-2978 has 3 cross-referenced part numbers: 18272-19 (Rix Industries), M1222RN4C26GFNN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 34-687 (Rix Industries).
There are 5 known substitutes for 5305-01-707-2978: 5330-00-033-9341, 6210-00-243-8128, 4710-00-788-3332 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18272-19: Thread Length: 0.375 INCHES NOMINAL IN; Width Between Flats: 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 0.250 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.