The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-501-5027, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-501-5027 |
| Primary Part Number | 531-6985694-F23 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Design Type | STRAIGHT |
| Orifice Diameter | 0.1015 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| End Connection Type | ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED |
| Material | NICKEL ALLOY 400 BODY |
| End Connection Similarity | IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 531-6985694-F23 PRIMARY | Naval Sea Systems Command (USA) |
| H655-1502-F23 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 531-6985694 | Naval Sea Systems Command (USA) |
| 2621-561-02 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4730-01-501-5027 is a Restrictor Unit,fluid Flow, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-501-5027 has 4 cross-referenced part numbers: 531-6985694-F23 (Naval Sea Systems Command), H655-1502-F23 (Electric Boat Corporation Div General Dynamics Electric Boat), 531-6985694 (Naval Sea Systems Command), 2621-561-02 (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 10 known substitutes for 4730-01-501-5027: 4730-01-501-5017, 4730-01-501-5019, 4720-01-501-5068 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 531-6985694-F23: Design Type: STRAIGHT; Orifice Diameter: 0.1015 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Special Features: WORKING PRESSURE 5100 PSI; ASSEMBLY INCLUDES NUT, NICU, QQ-N-281, PC NO.56A, 1PC.; ORIFICE, NICU, QQ-N-281, PC NO. 11A, 1PC.; O-RING, RUBBER, MIL-G-23652 TYPE II 1PC.; 0.250 IPS A. 8 total characteristics are documented in the Federal Logistics Information System.