The Indicator,temperature,electrical, cataloged under National Stock Number 6685-01-017-2403, 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 Ametek, Inc. Div Aerospace & Defense. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-017-2403 |
| Primary Part Number | 521395 |
| Item Name | Indicator,temperature,electrical |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PANEL |
| Contact Type | PIN |
| Scale Marking | LETTERS AND LINED INCREMENTS AND NUMERALS |
| Current Type | DC |
| Electrical Connection Quantity | 1 |
| DC Voltage Rating | 28.0 VOLTS NOMINAL |
| Scale Range | +100.0 TO 500.0 DEG FAHRENHEIT SINGLE INDICATOR SINGLE SCALE |
| Diameter | 2.000 INCHES NOMINAL IN |
| Scale Marking Transparency | FLUORESCENT |
| Contact Quantity | 12 |
| Features Provided | LAMP SOCKET |
| Pointer Type | CLOCK-HAND SINGLE POINTER |
| 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 |
|---|---|
| 521395 | Ametek, Inc. Div Aerospace & Defense (USA) |
| Reference | Meaning |
|---|---|
| 521395 | 3/9 Design control — primary reference Solartron Electronics Inc Weston Instruments Div |
| 60B00108-9 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 6685-01-017-2403 is a Indicator,temperature,electrical, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-017-2403 has 1 manufacturer part number on file: 521395 (Ametek, Inc. Div Aerospace & Defense).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-205-0778. Verify interchangeability with system specifications before substitution.
Key specifications for 521395: Mounting Facility Type and Quantity: 1 PANEL; Contact Type: PIN; Scale Marking: LETTERS AND LINED INCREMENTS AND NUMERALS; Current Type: DC. 12 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 6685-01-017-2403 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.