PartsTable TECHNICAL DATA SHEET
NSN 6685-01-281-6849Government record, cited

Indicator, Temperature, Electrical6685-01-281-6849

NSN 6685-01-281-6849 · NIIN 012816849 · Part number 521637
Ametek, Inc. Div Aerospace & Defense · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 61349
Government record, cited
NSN 6685-01-281-6849 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-281-6849. Manufacturer of record part number: 521637.
Also searched as  6685-01-281-6849 · 6685012816849 · NIIN 012816849 · 01-281-6849 · FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 61349 · 521637 · 60B40121-1 · 1834-16LW
Nearby stock numbers  ·
Features
  • Indicator,temperature,electrical — FSC 6685
  • Contact Type: PIN
  • Scale Marking: LINED INCREMENTS AND NUMERALS
  • Length: 7.500 INCHES MAXIMUM IN
  • Current Type: DC
  • Electrical Connection Quantity: 1
  • DC Voltage Rating: 28.0 VOLTS NOMINAL AND 5.0 VOLTS NOMINAL
  • Electrical Connection Identifying Number: MIL-C-26500
Identification
  • NSN: 6685-01-281-6849
  • NIIN: 012816849
  • FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: 521637
  • Manufacturer: Ametek, Inc. Div Aerospace & Defense
General Description

The Indicator,temperature,electrical, cataloged under National Stock Number 6685-01-281-6849, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-281-6849
Primary Part Number521637
Item NameIndicator,temperature,electrical
FSC / FSG6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
Contact TypePIN
Scale MarkingLINED INCREMENTS AND NUMERALS
Length7.500 INCHES MAXIMUM IN
Current TypeDC
Electrical Connection Quantity1
DC Voltage Rating28.0 VOLTS NOMINAL AND 5.0 VOLTS NOMINAL
Electrical Connection Identifying NumberMIL-C-26500
Scale Range+0.1 TO 200.0 DEG CELSIUS ALL INDICATORS SINGLE SCALE
Scale Marking TransparencyNONLUMINOUS
Contact Quantity15
Height3.500 INCHES NOMINAL IN
Width1.170 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
521637 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
Reference documents
ReferenceMeaning
60B40121-1 7/2 Vendor item drawing reference
U.S. Government activity
1834-16LW 5/9 Secondary reference
Solartron Electronics Inc Weston Instruments Div
521637 3/9 Design control — primary reference
Solartron Electronics Inc Weston Instruments Div
No interchangeability data on file.
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file

Frequently Asked Questions

What is NSN 6685-01-281-6849?

NSN 6685-01-281-6849 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.

What part numbers are listed for NSN 6685-01-281-6849?

NSN 6685-01-281-6849 has 1 manufacturer part number on file: 521637 (Ametek, Inc. Div Aerospace & Defense).

What are the specifications of 521637?

Key specifications for 521637: Contact Type: PIN; Scale Marking: LINED INCREMENTS AND NUMERALS; Length: 7.500 INCHES MAXIMUM IN; Current Type: DC. 12 specifications are documented in the U.S. Government catalog.

Is NSN 6685-01-281-6849 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 6685-01-281-6849?

NSN 6685-01-281-6849 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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