The Screw,machine, cataloged under National Stock Number 5305-00-939-9649, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-939-9649 |
| Primary Part Number | 490175 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Diameter | 0.380 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Screw Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE |
| Screw Material | IRON ALLOY 660 |
| Precious Material | SILVER |
| Thread Class | 3A A |
| Internal Drive Style | SLOT |
| Screw Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE |
| Screw Surface Treatment | SILVER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Countersink Angle | 99.0 DEGREES NOMINAL |
| Thread Quantity Per Inch | 32 |
| Head Style | FLAT COUNTERSUNK |
| Thread Length | 0.206 INCHES MINIMUM IN |
| Fastener Length | 0.322 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 490175 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| 490175 | Turbo Power & Marine System Inc Sub of United Technologies Corp (USA) |
| 490175 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 490175 | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
NSN 5305-00-939-9649 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-939-9649 has 4 cross-referenced part numbers: 490175 (Howmet Global Fastening Systems Inc Div Torrance Operations), 490175 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 490175 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 490175 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana).
There is 1 known substitute for 5305-00-939-9649: 3110-00-227-3241. Verify interchangeability with system specifications before substitution.
Key specifications for 490175: Head Diameter: 0.380 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); Screw Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE; Screw Material: IRON ALLOY 660. 16 total characteristics are documented in the Federal Logistics Information System.