PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

165660AGage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-951-5971 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-951-5971 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-951-5971. Primary manufacturer part number: 165660A.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: BRASS CASE
  • Material: BRASS ACTUATING ELEMENT
  • Material: PLASTIC ACRYLIC PROTECTIVE CRYSTAL
  • Surface Treatment: CHROMIUM CASE
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
  • Scale Type: SINGLE
  • Adjustability: NONADJUSTABLE
Applications
  • Applications requiring Brass Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-951-5971, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-951-5971
Primary Part Number165660A
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
MaterialBRASS CASE
MaterialBRASS ACTUATING ELEMENT
MaterialPLASTIC ACRYLIC PROTECTIVE CRYSTAL
Surface TreatmentCHROMIUM CASE
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Scale TypeSINGLE
AdjustabilityNONADJUSTABLE
Connection Quantity1
Unable to DecodeUNABLE TO DECODE
Bezel TypeTHREAD
Actuation TypeSINGLE BOURDON TUBE
Connection LocationBOTTOM
Connection Size0.250 IN. NPT DIA IN
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Scale NamePRESSURE
Scale Range+0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer ColorBLACK
Pointer TypeINDICATING
Graduation Unit10.0 POUNDS PER SQUARE INCH LBS
Scale Accuracy2 PCT MIDDLE HALF OF RANGE,3 PCT REMAINDER
Connection TypeEXTERNAL
Connector Type VentNOT PROVIDED
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
Mounting Connection LocationBOTTOM
Dial Size2-1/2 IN. DIA IN
Mounting MethodRIGID STEM
Overall Diameter2.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-063-9708164262A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5360-00-075-47591958224 INTERCHANGEABLE
Spring,helical,compression
Borgwarner Pds (anderson), L.l.c.
6685-00-088-3978169594A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
3110-00-100-0665645 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
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
2640-00-255-99894400 INTERCHANGEABLE
Cap,pneumatic Valve
Schrader-Bridgeport International Inc Dba Schrader Automotive
5120-00-278-106528820 INTERCHANGEABLE
Vise,bench and Pipe
Wilton Corp Wilton Tool Div
5325-00-286-8045 INTERCHANGEABLE
Eyelet,metallic
5360-00-292-4101645 INTERCHANGEABLE
Spring,helical,compression
Struthers Wells Corp
Cross-Reference Index
Part NumberManufacturer
2513-56 G C S Inc (USA)
045506 Ametek, Inc. Div Aerospace & Defense (USA)
4003 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
P602 Ametek, Inc. Div Aerospace & Defense (USA)
D500BTYPE201 Joy Global Underground Mining Llc (USA)
47383 Ametek, Inc. Div Aerospace & Defense (USA)
165660A PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
45506-0 Ametek, Inc. Div Aerospace & Defense (USA)
644 Lincoln Electric Co the Harris Calorific Div (USA)
602 Ametek, Inc. Div Aerospace & Defense (USA)
645 Lincoln Electric Co the Harris Calorific Div (USA)
Related Parts
6685-00-063-9708INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164262A
5360-00-075-4759INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1958224
6685-00-088-3978INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
169594A
3110-00-100-0665INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
645
3110-00-156-4865INTERCHANGEABLE
BEARING,BALL,ANNULAR
10028
6685-00-251-1360INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164290A
2640-00-255-9989INTERCHANGEABLE
CAP,PNEUMATIC VALVE
4400
5120-00-278-1065INTERCHANGEABLE
VISE,BENCH AND PIPE
28820
5325-00-286-8045INTERCHANGEABLE
EYELET,METALLIC
5360-00-292-4101INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
645
3030-00-294-9869INTERCHANGEABLE
BELT,V
2805-00-354-3795INTERCHANGEABLE
PIN,PISTON
637041

Frequently Asked Questions

What is NSN 6685-00-951-5971?

NSN 6685-00-951-5971 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-951-5971?

NSN 6685-00-951-5971 has 11 cross-referenced part numbers: 2513-56 (G C S Inc), 045506 (Ametek, Inc. Div Aerospace & Defense), 4003 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), P602 (Ametek, Inc. Div Aerospace & Defense), D500BTYPE201 (Joy Global Underground Mining Llc) and 6 more.

What NSN replaces 6685-00-951-5971?

There are 12 known substitutes for 6685-00-951-5971: 6685-00-063-9708, 5360-00-075-4759, 6685-00-088-3978 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 165660A?

Key specifications for 165660A: Material: BRASS CASE; Material: BRASS ACTUATING ELEMENT; Material: PLASTIC ACRYLIC PROTECTIVE CRYSTAL; Surface Treatment: CHROMIUM CASE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-951-5971 still in active supply?

NSN 6685-00-951-5971 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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