The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-507-8240, 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 Pelagic Pressure Systems. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 | 6685-01-507-8240 |
| Primary Part Number | 2501 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Pelagic Pressure Systems |
| Status | ACTIVE |
| Surface Treatment | CHROMIUM CASE |
| Material | COPPER ALLOY CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 6685-01-507-8240 is a Gage,pressure,dial Indicating, manufactured by Pelagic Pressure Systems, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-507-8240 has 2 manufacturer part numbers on file: 2501 (Pelagic Pressure Systems), PG100 (Divers World Ltd).
1 possible match (shared part number, not a government interchangeability claim): 4210-01-683-6773. Verify interchangeability with system specifications before substitution.
Key specifications for 2501: Special Features: 5000 PSI MAXIMUM WORKING PRESSURE; CHROME PLATED; Surface Treatment: CHROMIUM CASE; End Item Identification: LIGHTWEIGHT DIVING SYSTEM; Material: COPPER ALLOY CASE. 2 specifications are documented in the U.S. Government catalog.
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.