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NSN 6620-01-445-0535Government record, cited

Gage, Pressure, Dial Indicating6620-01-445-0535

NSN 6620-01-445-0535 · NIIN 014450535 · Part number GG4000
United Instrument · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 014A2
Government record, cited
NSN 6620-01-445-0535 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-445-0535. Manufacturer of record part number: GG4000.
Also searched as  6620-01-445-0535 · 6620014450535 · NIIN 014450535 · 01-445-0535 · FSC 6620 Engine Instruments · CAGE 014A2 · GG4000
Nearby stock numbers  ·
Features
  • Gage,pressure,dial Indicating — FSC 6620
  • Scale Name: PRESSURE
  • Overall Diameter: 2.500 INCHES NOMINAL IN
  • Actuation Type: BOURDON TUBE
  • Scale Smallest Increment: 100.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Scale Range: +0.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
  • Scale Type: BROAD ARC DIAL
  • Connector Type Vent: NOT PROVIDED
Identification
  • NSN: 6620-01-445-0535
  • NIIN: 014450535
  • FSC: 6620 — Engine Instruments
  • FSG: 66 — Instruments and Laboratory Equipment
  • Primary part number: GG4000
  • Manufacturer: United Instrument
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-445-0535, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is United Instrument. Government technical data includes 10 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
ParameterValue
NSN6620-01-445-0535
Primary Part NumberGG4000
Item NameGage,pressure,dial Indicating
FSC / FSG6620 / 66 — Engine Instruments
ManufacturerUnited Instrument
StatusACTIVE
Scale NamePRESSURE
Overall Diameter2.500 INCHES NOMINAL IN
Actuation TypeBOURDON TUBE
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Range+0.0 TO 4000.0 POUNDS PER SQUARE INCH LBS
Scale TypeBROAD ARC DIAL
Connector Type VentNOT PROVIDED
Graduation Unit500.0 POUNDS PER SQUARE INCH LBS
Pointer ColorBLACK
MaterialBRONZE ACTUATING ELEMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
GG4000 PRIMARY United Instrument (USA)
No interchangeability data on file.
Other items in FSC 6620 — Engine Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6620-00-000-0124
6620-00-000-0124 · Item name not on file
6620-00-000-0548
6620-00-000-0548 · Item name not on file
6620-00-001-1398
STARTER AND SHAFT ASSEMBLY
6620-00-001-4552
6620-00-001-4552 · Item name not on file
6620-00-001-9331
6620-00-001-9331 · Item name not on file
6620-00-001-9332
6620-00-001-9332 · Item name not on file
6620-00-001-9333
6620-00-001-9333 · Item name not on file
6620-00-001-9334
6620-00-001-9334 · Item name not on file

Frequently Asked Questions

What is NSN 6620-01-445-0535?

NSN 6620-01-445-0535 is a Gage,pressure,dial Indicating, manufactured by United Instrument, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-445-0535?

NSN 6620-01-445-0535 has 1 manufacturer part number on file: GG4000 (United Instrument).

What are the specifications of GG4000?

Key specifications for GG4000: Scale Name: PRESSURE; Overall Diameter: 2.500 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE; Scale Smallest Increment: 100.0 POUNDS PER SQUARE INCH (PSI) LBS. 10 specifications are documented in the U.S. Government catalog.

Is NSN 6620-01-445-0535 hazardous material?

No hazard code in the DLA record (HMIC N). 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.
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