PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

154669Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-01-304-0187 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-304-0187 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-304-0187. Primary manufacturer part number: 154669.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Material: STEEL CORROSION RESISTING CASE
  • Connection Location: BACK, LOWER
  • Connection Size: 0.250 IN. NPT DIA IN
  • Scale Type: SINGLE
  • Actuation Type: BOURDON TUBE
Applications
  • Applications requiring Plastic Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-304-0187, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-304-0187
Primary Part Number154669
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
MaterialPLASTIC PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
MaterialSTEEL CORROSION RESISTING CASE
Connection LocationBACK, LOWER
Connection Size0.250 IN. NPT DIA IN
Scale TypeSINGLE
Actuation TypeBOURDON TUBE
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Mounting MethodPANEL FLANGE
Connection TypeEXTERNAL
Pointer TypeINDICATING
AdjustabilityADJUSTABLE
Dial Size2-1/2 IN. DIA IN
Scale Range+0.0 TO 3000.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale AccuracyPORM 2 PCT MIDDLE,3 PCT REMAINDER
Connection Quantity1
Connector Type VentNOT PROVIDED
Scale NamePRESSURE
Pointer ColorBLACK
Overall Diameter2.720 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-183-74931195-32 INTERCHANGEABLE
Bearing,ball,annular
Sioux Tools Inc
3040-00-679-8627154669 INTERCHANGEABLE
Shaft,straight
Telemechanics Inc
4720-01-550-2942 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
556L-3000PSI Ametek, Inc. Div Aerospace & Defense (USA)
153615LS Ametek, Inc. Div Aerospace & Defense (USA)
154669 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
12909120-2 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
153307-556L Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
3110-00-183-7493INTERCHANGEABLE
BEARING,BALL,ANNULAR
1195-32
3040-00-679-8627INTERCHANGEABLE
SHAFT,STRAIGHT
154669
4720-01-550-2942INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 6685-01-304-0187?

NSN 6685-01-304-0187 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 6685-01-304-0187?

NSN 6685-01-304-0187 has 5 cross-referenced part numbers: 556L-3000PSI (Ametek, Inc. Div Aerospace & Defense), 153615LS (Ametek, Inc. Div Aerospace & Defense), 154669 (Ametek, Inc. Div Aerospace & Defense), 12909120-2 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 153307-556L (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-01-304-0187?

There are 3 known substitutes for 6685-01-304-0187: 3110-00-183-7493, 3040-00-679-8627, 4720-01-550-2942. Verify interchangeability with system specifications before substitution.

What are the specifications of 154669?

Key specifications for 154669: Material: PLASTIC PROTECTIVE CRYSTAL; Material: COPPER ALLOY 511 ACTUATING ELEMENT; Material: STEEL CORROSION RESISTING CASE; Connection Location: BACK, LOWER. 22 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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