The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-100-9954, 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 Wheeler Fleet Solutions, Co.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-100-9954 |
| Primary Part Number | 1977-MA139-21004 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Connection Type | EXTERNAL |
| Pointer Type | INDICATING |
| Scale Type | SINGLE |
| Connection Location | BACK, CENTER |
| Connection Quantity | 1 |
| 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 |
|---|---|
| MA13921004 | Am General Llc (USA) |
| 1977-MA139-21004 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| 1069 | 5/9 Secondary reference Am General Llc |
NSN 6685-01-100-9954 is a Gage,pressure,dial Indicating, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-100-9954 has 2 manufacturer part numbers on file: MA13921004 (Am General Llc), 1977-MA139-21004 (Wheeler Fleet Solutions, Co.).
Key specifications for 1977-MA139-21004: Scale Name: PRESSURE; Connection Type: EXTERNAL; Pointer Type: INDICATING; Scale Type: SINGLE. 6 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.