The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-175-3428, 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 Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-175-3428 |
| Primary Part Number | 4871-05 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Scale Range | +0.0 TO 160.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Type | SINGLE |
| Dial Size | 3-1/2 IN. DIA IN |
| Connection Location | BOTTOM |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN. FLARELESS TUBE IN |
| 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 |
|---|---|
| 4871-05 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 4871B-5 | 5/9 Secondary reference Howell Laboratories Inc Dba Howell Laboratories Inc |
NSN 6685-01-175-3428 is a Gage,pressure,dial Indicating, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-175-3428 has 1 manufacturer part number on file: 4871-05 (Howell Laboratories Inc Dba Howell Laboratories Inc).
Key specifications for 4871-05: Scale Name: PRESSURE; Scale Range: +0.0 TO 160.0 POUNDS PRESSURE PER SQUARE INCH LBS; Scale Type: SINGLE; Dial Size: 3-1/2 IN. DIA IN. 7 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.