The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-372-0913, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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 | 4730-00-372-0913 |
| Primary Part Number | S5504-494537PC2-42D |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-763, CLASS 440 C, CONDITION A FED SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 440C |
| Orifice Diameter | 0.094 INCHES NOMINAL IN |
| Design Type | CONCAVE DISK |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Length | 0.223 INCHES NOMINAL IN |
| Outside Diameter | 0.997 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S5504-494537PC2 | Naval Ship Systems Command (USA) |
| S5504-494537PC2-42D PRIMARY | Naval Sea Systems Command (USA) |
| 4174-42D PRIMARY | Todd Combustion Inc (USA) |
NSN 4730-00-372-0913 is a Restrictor,fluid Flow, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-372-0913 has 3 cross-referenced part numbers: S5504-494537PC2 (Naval Ship Systems Command), S5504-494537PC2-42D (Naval Sea Systems Command), 4174-42D (Todd Combustion Inc).
There are 5 known substitutes for 4730-00-372-0913: 4530-00-372-0910, 4530-00-372-0912, 4530-00-372-0914 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for S5504-494537PC2-42D: Material Document and Classification: QQ-S-763, CLASS 440 C, CONDITION A FED SPEC SINGLE MATERIAL RESPONSE; Material: STEEL COMP 440C; Orifice Diameter: 0.094 INCHES NOMINAL IN; Design Type: CONCAVE DISK. 7 total characteristics are documented in the Federal Logistics Information System.