The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-424-5356, 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 Alfa Laval Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-424-5356 |
| Primary Part Number | 72991 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Alfa Laval Inc |
| 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 |
|---|---|
| 72991 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 7299100 | 5/9 Secondary reference Alfa Laval Inc |
NSN 6685-01-424-5356 is a Gage,pressure,dial Indicating, manufactured by Alfa Laval Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-424-5356 has 1 manufacturer part number on file: 72991 (Alfa Laval Inc).
1 possible match (shared part number, not a government interchangeability claim): 7530-01-609-1821. Verify interchangeability with system specifications before substitution.
Key specifications for 72991: Special Features: NOT FOR SHIPBOARD USE; End Item Identification: FLOW REGULATOR. 0 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.