The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-221-9410, 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 Bristol Babcock Inc Helicoid Instruments Div. Government technical data includes 21 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 | 6685-01-221-9410 |
| Primary Part Number | F1A3F5A0L0000 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Bristol Babcock Inc Helicoid Instruments Div |
| Status | ACTIVE |
| Scale Name | PRESSURE |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BACK |
| Mounting Method | RIGID STEM |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 2.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING AND REFERENCE |
| Adjustability | ADJUSTABLE |
| Scale Type | SINGLE |
| Dial Size | 4-1/2 IN. DIA IN |
| Graduation Unit | 20.0 POUNDS PER SQUARE INCH LBS |
| Connection Location | BACK |
| Pointer Color | BLACK AND RED |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Material | BRONZE AND BRASS ACTUATING ELEMENT |
| Material | PLASTIC PHENOLIC AND STEEL CORROSION RESISTING CASE |
| Connection Quantity | 1 |
| Bezel Type | SNAP-ON |
| Connection Size | 0.250 IN. NPT DIA 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 |
|---|---|
| F1A3F5A0L0000 PRIMARY | Bristol Babcock Inc Helicoid Instruments Div (USA) |
NSN 6685-01-221-9410 is a Gage,pressure,dial Indicating, manufactured by Bristol Babcock Inc Helicoid Instruments Div, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-221-9410 has 1 manufacturer part number on file: F1A3F5A0L0000 (Bristol Babcock Inc Helicoid Instruments Div).
Key specifications for F1A3F5A0L0000: Scale Name: PRESSURE; Actuation Type: BOURDON TUBE; Mounting Connection Location: BACK; Mounting Method: RIGID STEM. 21 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.