NSN 6685-01-294-0991 · NIIN 012940991 · Part number 577L516-001
Timken Gears & Services Inc. Div Philadelphia Gear · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 17454
Government record, cited
NSN 6685-01-294-0991 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-294-0991. Manufacturer of record part number: 577L516-001.
Also searched as6685-01-294-0991 ·
6685012940991 ·
NIIN 012940991 ·
01-294-0991 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 17454 · 577L516-001 · 871E444 PC 69 · 871E444 PC 69
Manufacturer of record: Timken Gears & Services Inc. Div Philadelphia Gear
Identification
NSN: 6685-01-294-0991
NIIN: 012940991
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 577L516-001
Manufacturer: Timken Gears & Services Inc. Div Philadelphia Gear
General Description
The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-294-0991, 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 Timken Gears & Services Inc. Div Philadelphia Gear. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-294-0991
Primary Part Number
577L516-001
Item Name
Thermometer,indicating,capillary
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Timken Gears & Services Inc. Div Philadelphia Gear
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Timken Gears & Services Inc. Div Philadelphia Gear (USA)
Reference documents
Reference
Meaning
577L516-001
5/9Secondary reference
General Electric Company
871E444 PC 69
5/9Secondary reference
General Electric Company
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 6685-01-294-0991?
NSN 6685-01-294-0991 is a Thermometer,indicating,capillary, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-294-0991?
NSN 6685-01-294-0991 has 2 manufacturer part numbers on file: 577L516-001 (Timken Gears & Services Inc. Div Philadelphia Gear), 871E444 PC 69 (Timken Gears & Services Inc. Div Philadelphia Gear).
What are the specifications of 577L516-001?
Key specifications for 577L516-001: End Item Identification: NAVY EQUIP/03950. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-294-0991 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.
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.