The Gage and Valve Assembly, cataloged under National Stock Number 6685-01-643-0494, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. 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.
| Item Name | Gage and Valve Assembly |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (CAGE 26337) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-643-0494 |
| Primary Part Number | 701598 |
| Item Name | Gage and Valve Assembly |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Parker-Hannifin Corporation Div Hydraulic Accumulator Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 701598 PRIMARY | Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA) |
NSN 6685-01-643-0494 is a Gage and Valve Assembly, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-643-0494 has 1 manufacturer part number on file: 701598 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-656-2672. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.