PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

146991Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-624-1388 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-624-1388 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-624-1388. Primary manufacturer part number: 146991.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Material: PLASTIC CASE
  • Surface Treatment: PAINTED CASE
  • Mounting Connection Location: BOTTOM
  • Scale Inscription/background Color: BLACK FIGURES,WHITE BACKGROUND
  • Dial Size: 1-1/2 IN. DIA IN
Applications
  • Applications requiring Copper Alloy 511 Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-624-1388, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-624-1388
Primary Part Number146991
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
MaterialPLASTIC PROTECTIVE CRYSTAL
MaterialPLASTIC CASE
Surface TreatmentPAINTED CASE
Mounting Connection LocationBOTTOM
Scale Inscription/background ColorBLACK FIGURES,WHITE BACKGROUND
Dial Size1-1/2 IN. DIA IN
Pointer TypeINDICATING
Scale NamePRESSURE
Scale Range+0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS
AdjustabilityADJUSTABLE
Pointer ColorBLACK
Connection Quantity1
Scale Accuracy2 PCT MIDDLE RANGE,3 PCT REMAINDER
Actuation TypeBOURDON TUBE
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
Mounting MethodRIGID STEM
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection TypeEXTERNAL
Scale TypeSINGLE
Connection LocationBOTTOM
Connection Size0.125 IN. NPT DIA IN
Connector Type VentNOT PROVIDED
Overall Diameter1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5840-00-944-3072 INTERCHANGEABLE
Heater
4720-01-314-252038097-04200 INTERCHANGEABLE
Hose Assembly,nonmetallic
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
P563ANDSPEC102022 Ametek, Inc. Div Aerospace & Defense (USA)
146024 Ametek, Inc. Div Aerospace & Defense (USA)
146991 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
13U3-9 Ellis & Watts International, Llc (USA)
Related Parts
5840-00-944-3072INTERCHANGEABLE
HEATER
4720-01-314-2520INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
38097-04200

Frequently Asked Questions

What is NSN 6685-00-624-1388?

NSN 6685-00-624-1388 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-624-1388?

NSN 6685-00-624-1388 has 4 cross-referenced part numbers: P563ANDSPEC102022 (Ametek, Inc. Div Aerospace & Defense), 146024 (Ametek, Inc. Div Aerospace & Defense), 146991 (Ametek, Inc. Div Aerospace & Defense), 13U3-9 (Ellis & Watts International, Llc).

What NSN replaces 6685-00-624-1388?

There are 2 known substitutes for 6685-00-624-1388: 5840-00-944-3072, 4720-01-314-2520. Verify interchangeability with system specifications before substitution.

What are the specifications of 146991?

Key specifications for 146991: Material: COPPER ALLOY 511 ACTUATING ELEMENT; Material: PLASTIC PROTECTIVE CRYSTAL; Material: PLASTIC CASE; Surface Treatment: PAINTED CASE. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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