The Screw,machine, cataloged under National Stock Number 5305-00-844-6950, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-844-6950 |
| Primary Part Number | 53-129 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316 |
| Screw Material Document and Classification | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES |
| Head Style | ROUND |
| Thread Length | 0.438 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 28 |
| Thread Direction | RIGHT-HAND |
| Screw Surface Treatment | PASSIVATE |
| Thread Series Designator | UNF |
| Fastener Length | 0.438 INCHES NOMINAL IN |
| Head Height | 0.175 INCHES NOMINAL IN |
| Head Diameter | 0.472 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 53-129 | Davey Compressor Co Div of Keco Industries Inc (USA) |
| 5305PL0633131 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 53-129 | Tescom Corp Dba Tescom Div Tescom (USA) |
| 53-129 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
NSN 5305-00-844-6950 is a Screw,machine, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-844-6950 has 4 cross-referenced part numbers: 53-129 (Davey Compressor Co Div of Keco Industries Inc), 5305PL0633131 (Jednolity Indeks Materialowy - Uniform Material Index), 53-129 (Tescom Corp Dba Tescom Div Tescom), 53-129 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
There are 3 known substitutes for 5305-00-844-6950: 5355-00-161-0704, 5133-00-189-9319, 3040-00-392-7895. Verify interchangeability with system specifications before substitution.
Key specifications for 53-129: Screw Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 316; Screw Material Document and Classification: MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES; Head Style: ROUND; Thread Length: 0.438 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.