NSN 6685-01-291-6450 · NIIN 012916450 · Part number 40-400FG-04F 0-200PSI-KPA
United Instrument Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 57098
Government record, cited
NSN 6685-01-291-6450 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-291-6450. Manufacturer of record part number: 40-400FG-04F 0-200PSI-KPA.
Also searched as6685-01-291-6450 ·
6685012916450 ·
NIIN 012916450 ·
01-291-6450 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 57098 · 40-400FG-04F 0-200PSI-KPA
Scale Range: +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Dial Size: 4 IN. DIA IN
Connection Location: LOWER
Material: STEEL CORROSION RESISTING CASE
Material: COPPER ALLOY 511 ACTUATING ELEMENT
Connection Size: 0.500 IN. NPT DIA IN
1 manufacturer part number on file
Identification
NSN: 6685-01-291-6450
NIIN: 012916450
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 40-400FG-04F 0-200PSI-KPA
Manufacturer: United Instrument Inc
General Description
The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-291-6450, 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 United Instrument Inc. Government technical data includes 6 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.
Technical Specifications
Parameter
Value
NSN
6685-01-291-6450
Primary Part Number
40-400FG-04F 0-200PSI-KPA
Item Name
Gage,pressure,dial Indicating
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
United Instrument Inc
Status
ACTIVE
Scale Range
+0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Dial Size
4 IN. DIA IN
Connection Location
LOWER
Material
STEEL CORROSION RESISTING CASE
Material
COPPER ALLOY 511 ACTUATING ELEMENT
Connection Size
0.500 IN. NPT DIA IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 6685-01-291-6450?
NSN 6685-01-291-6450 is a Gage,pressure,dial Indicating, manufactured by United Instrument Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-291-6450?
NSN 6685-01-291-6450 has 1 manufacturer part number on file: 40-400FG-04F 0-200PSI-KPA (United Instrument Inc).
What are the specifications of 40-400FG-04F 0-200PSI-KPA?
Key specifications for 40-400FG-04F 0-200PSI-KPA: Scale Range: +0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS; Dial Size: 4 IN. DIA IN; Connection Location: LOWER; Material: STEEL CORROSION RESISTING CASE. 6 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-291-6450 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.