The Screw,machine, cataloged under National Stock Number 5305-00-687-6598, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-687-6598 |
| Primary Part Number | 25574 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Thread Series Designator | UNF |
| Thread Class | 3A A |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.040 INCHES MINIMUM IN |
| Head Height | 0.065 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.073 INCHES IN |
| Head Diameter | 0.125 INCHES NOMINAL IN |
| Screw Surface Treatment | PASSIVATE |
| Thread Quantity Per Inch | 72 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Screw Material | STEEL COMP 303 OR STEEL COMP 303SE |
| Head Style | FLAT CHAMFER |
| Fastener Length | 0.060 INCHES NOMINAL IN |
| Screw Material Document and Classification | MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25574 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
NSN 5305-00-687-6598 is a Screw,machine, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-687-6598 has 1 cross-referenced part number: 25574 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
There are 5 known substitutes for 5305-00-687-6598: 5310-00-209-1372, 5133-00-236-4064, 7050-00-978-7559 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25574: Thread Series Designator: UNF; Thread Class: 3A A; Thread Direction: RIGHT-HAND; Thread Length: 0.040 INCHES MINIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.