The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-373-7976, 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 Ametek, Inc. Div Aerospace & Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Ametek, Inc. Div Aerospace & Defense (CAGE 61349) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-373-7976 |
| Primary Part Number | 356021 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| 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 |
|---|---|
| 2HS290 | Oshkosh Defense Llc (USA) |
| 356021 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
| Reference | Meaning |
|---|---|
| 151469 | 5/9 Secondary reference Ametek, Inc. Div Aerospace & Defense |
| 6685PL1601277 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 12628001 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 2HS290 | 5/9 Secondary reference Oshkosh Corp |
NSN 6685-01-373-7976 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-373-7976 has 2 manufacturer part numbers on file: 2HS290 (Oshkosh Defense Llc), 356021 (Ametek, Inc. Div Aerospace & Defense).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-411-0543. 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.