The Indicator,bypass Valve, cataloged under National Stock Number 4330-01-281-5937, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-281-5937 |
| Primary Part Number | 361997 |
| Item Name | Indicator,bypass Valve |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| General Characteristics Item Description | PART OF VALVE,BYPASS FOR MODEL 50FB-2S-3-M-11 FILTER,FLUID |
| 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 |
|---|---|
| 361997 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4330-01-281-5937 is a Indicator,bypass Valve, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-281-5937 has 1 manufacturer part number on file: 361997 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-417-6299. Verify interchangeability with system specifications before substitution.
Key specifications for 361997: General Characteristics Item Description: PART OF VALVE,BYPASS FOR MODEL 50FB-2S-3-M-11 FILTER,FLUID. 1 specification is documented in the U.S. Government catalog.
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.