The Screw,machine, cataloged under National Stock Number 5305-00-207-8921, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-207-8921 |
| Primary Part Number | 51187 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | CANCELLED |
| Thread Class | 2A A |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Screw Material | STEEL COMP 8735 |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Head Style | FLAT COUNTERSUNK |
| Internal Drive Style | SLOT |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 18 |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Head Diameter | 0.613 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 6320 ASSN STD SINGLE MATERIAL RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 51187 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5305-00-207-8921 is a Screw,machine, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-207-8921 has 1 cross-referenced part number: 51187 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
There are 6 known substitutes for 5305-00-207-8921: 6105-00-356-1809, 3020-00-489-1238, 4920-00-838-6212 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51187: Thread Class: 2A A; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM; Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM; Screw Material: STEEL COMP 8735. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-207-8921 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.