The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-453-4133, 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 Mcnaughton Dynamics Limited. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-453-4133 |
| Primary Part Number | 301221 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Mcnaughton Dynamics Limited |
| Status | ACTIVE |
| Pointer Type | INDICATING |
| 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 |
|---|---|
| 301221 | Mcnaughton Dynamics Limited (GBR) |
| Reference | Meaning |
|---|---|
| 301221 | 3/9 Design control — primary reference Prime Source |
| 301221 | 5/9 Secondary reference Zwick Energy Researach Organization Inc |
NSN 6685-01-453-4133 is a Gage,pressure,dial Indicating, manufactured by Mcnaughton Dynamics Limited, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-453-4133 has 1 manufacturer part number on file: 301221 (Mcnaughton Dynamics Limited).
Key specifications for 301221: Pointer Type: INDICATING. 1 specification is 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.