PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P602 2IN 200PSIGage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-01-157-0994 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-157-0994 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-157-0994. Primary manufacturer part number: P602 2IN 200PSI.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: BRASS CASE
  • Surface Treatment: ENAMEL BAKED CASE
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Overall Diameter: 2.280 INCHES NOMINAL IN
  • Actuation Type: BOURDON TUBE
  • Adjustability: NONADJUSTABLE
  • Connection Size: 0.250 IN. ANPT DIA. IN
Applications
  • Applications requiring Brass Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-157-0994, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-157-0994
Primary Part NumberP602 2IN 200PSI
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
MaterialBRASS CASE
Surface TreatmentENAMEL BAKED CASE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Overall Diameter2.280 INCHES NOMINAL IN
Actuation TypeBOURDON TUBE
AdjustabilityNONADJUSTABLE
Connection Size0.250 IN. ANPT DIA. IN
Pointer TypeINDICATING
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection Quantity1
Mounting MethodSCREW
Scale TypeDIAL
Pointer ColorBLACK
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Dial Size2 IN. DIA. IN
Scale Range+0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connector Type VentNOT PROVIDED
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
Scale NameLOW PRESSURE
Connection TypeEXTERNAL
Bezel TypeTHREAD
Mounting Connection LocationLOWER
Connection LocationLOWER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6685-00-063-9708164262A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-088-3978169594A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
3110-00-156-486510028 INTERCHANGEABLE
Bearing,ball,annular
Klauer Manufacturing Company
6685-00-251-1360164290A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
2805-00-354-3795637041 INTERCHANGEABLE
Pin,piston
Am General Llc
5360-00-404-3709P60-2 INTERCHANGEABLE
Spring,valve
Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc
5995-00-416-1032A25A950-925-101 INTERCHANGEABLE
Lead,electrical
Lockheed Martin Corporation Div Lockheed Martin Systems & Global Solutions
5325-00-597-9884 INTERCHANGEABLE
Ring,retaining
6685-00-763-684248513 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-951-5971165660A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
P602 2IN 200PSI PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
P-602 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6685-00-063-9708INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164262A
6685-00-088-3978INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
169594A
3110-00-156-4865INTERCHANGEABLE
BEARING,BALL,ANNULAR
10028
6685-00-251-1360INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164290A
2805-00-354-3795INTERCHANGEABLE
PIN,PISTON
637041
5360-00-404-3709INTERCHANGEABLE
SPRING,VALVE
P60-2
5995-00-416-1032INTERCHANGEABLE
LEAD,ELECTRICAL
A25A950-925-101
5325-00-597-9884INTERCHANGEABLE
RING,RETAINING
6685-00-763-6842INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
48513
6685-00-951-5971INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
165660A
6150-01-102-6943INTERCHANGEABLE
LEAD,ELECTRICAL
P-60-2
1680-01-218-4374INTERCHANGEABLE
CLOTH,PREIMPREGNATE

Frequently Asked Questions

What is NSN 6685-01-157-0994?

NSN 6685-01-157-0994 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 6685-01-157-0994?

NSN 6685-01-157-0994 has 2 cross-referenced part numbers: P602 2IN 200PSI (Ametek, Inc. Div Aerospace & Defense), P-602 (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-01-157-0994?

There are 12 known substitutes for 6685-01-157-0994: 6685-00-063-9708, 6685-00-088-3978, 3110-00-156-4865 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P602 2IN 200PSI?

Key specifications for P602 2IN 200PSI: Overall Depth: 1.190 INCHES NOMINAL IN; Material: BRASS CASE; Surface Treatment: ENAMEL BAKED CASE; Material: COPPER ALLOY 511 ACTUATING ELEMENT. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com