The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-512-1776, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-512-1776 |
| Primary Part Number | NV822278-10 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NV822278-10 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| NV822201 FIND 63 | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| S9515-AL-MMA-010, 7-27 ITEM 6 | Naval Sea Systems Command (USA) |
| S9515-AL-MMA-010, 7-53 ITEM 1B | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| NV822278 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
| S9515-AL-MMA-010 | D/9 Drawing number reference only Naval Sea Systems Command |
| NV822201 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4730-01-512-1776 is a Restrictor Unit,fluid Flow, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-512-1776 has 4 manufacturer part numbers on file: NV822278-10 (Hamilton Sundstrand Corporation Dba Collins Aerospace), NV822201 FIND 63 (Hamilton Sundstrand Corporation Dba Collins Aerospace), S9515-AL-MMA-010, 7-27 ITEM 6 (Naval Sea Systems Command), S9515-AL-MMA-010, 7-53 ITEM 1B (Naval Sea Systems Command).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-512-1777, 4730-01-512-4113, 4730-01-512-4116. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.