The Screw,machine, cataloged under National Stock Number 5305-01-251-2906, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 15 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-251-2906 |
| Primary Part Number | FF-S-92 TY 1 STY 2S |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Length | 0.512 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Internal Drive Style | SLOT |
| Screw Material | PLASTIC POLYHEXAMETHYLENE AMIDE |
| Head Style | FLAT COUNTERSUNK |
| Thread Quantity Per Inch | 24 |
| Color | BLACK |
| Thread Direction | RIGHT-HAND |
| Screw Material Document and Classification | MIL-M-20693 COMPA TY1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Class | 2A A |
| Fastener Length | 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Nondefinitive Spec/std Data | 1 TYPE AND 2S STYLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-S-92 TY 1 STY 2S | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-01-251-2906 is a Screw,machine, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-251-2906 has 1 cross-referenced part number: FF-S-92 TY 1 STY 2S (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 7 known substitutes for 5305-01-251-2906: 5305-00-770-2533, 5305-01-172-2530, 5305-01-252-1372 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for FF-S-92 TY 1 STY 2S: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Diameter: 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Thread Length: 0.512 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.