The Gage,vacuum,indicating, cataloged under National Stock Number 6685-01-221-2961, 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 Noshok Inc. Government technical data includes 11 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-221-2961 |
| Primary Part Number | 40.300-30-VAC-HGCFF |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Noshok Inc |
| Status | ACTIVE |
| Scale Name | VACUUM |
| Overall Diameter | 5.300 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Scale Smallest Increment | 1.0 INCHES OF MERCURY (INHG) IN |
| Scale Range | +0.0 TO 30.0 INCHES HG IN |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Graduation Unit | 0.5 INCHES OF MERCURY IN |
| Pointer Color | BLACK |
| Material | COPPER ALLOY CASE |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40.300-30-VAC-HGCFF PRIMARY | Noshok Inc (USA) |
NSN 6685-01-221-2961 is a Gage,vacuum,indicating, manufactured by Noshok Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-221-2961 has 1 manufacturer part number on file: 40.300-30-VAC-HGCFF (Noshok Inc).
Key specifications for 40.300-30-VAC-HGCFF: Scale Name: VACUUM; Overall Diameter: 5.300 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE; Scale Smallest Increment: 1.0 INCHES OF MERCURY (INHG) IN. 11 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.
NSN 6685-01-221-2961 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.