The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-501-3168, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-501-3168 |
| Primary Part Number | 531-6985695-F23 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | NICKEL ALLOY BODY |
| Orifice Diameter | 0.1015 INCHES NOMINAL IN |
| Design Type | STRAIGHT |
| End Connection Type | ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED |
| Valve Size | 0.250 INCHES IN |
| End Connection Similarity | IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 531-6985695-F23 PRIMARY | Naval Sea Systems Command (USA) |
| 2621-561-02 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 6985695 | Naval Sea Systems Command (USA) |
| H655-1503-F23 | Naval Sea Systems Command (USA) |
NSN 4730-01-501-3168 is a Restrictor Unit,fluid Flow, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-501-3168 has 4 cross-referenced part numbers: 531-6985695-F23 (Naval Sea Systems Command), 2621-561-02 (Electric Boat Corporation Div General Dynamics Electric Boat), 6985695 (Naval Sea Systems Command), H655-1503-F23 (Naval Sea Systems Command).
There are 2 known substitutes for 4730-01-501-3168: 4730-00-906-1777, 4730-01-501-3207. Verify interchangeability with system specifications before substitution.
Key specifications for 531-6985695-F23: Material: NICKEL ALLOY BODY; Special Features: CONSIST OF NUT, PC NO. 56A, NICU, QQ-N-281, ORIFICE, PC NO. 11A, NICU, QQ-N-281, AND O-RING, RUBBER, MIL-G-23652, TYPE II; 5100 PSI WP MAX, LENGTH OF ORIFICE ONLY IS 0.250 INCH. A; End Item Identification: R.O. UNIT ST, WSD: LOS ANGELES CLASS SSN (688); Orifice Diameter: 0.1015 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.