PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

117312Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-527-6221 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-527-6221 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-527-6221. Primary manufacturer part number: 117312.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Bolt Circle Diameter: 3.125 INCHES NOMINAL IN
  • Material: BRASS CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Nondefinitive Spec/std Data: 1 POLISHED
  • Mounting Hole Quantity: 3
  • Overall Diameter: 3.500 INCHES NOMINAL IN
  • Material: BRONZE ACTUATING ELEMENT
Applications
  • Applications requiring Brass Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-527-6221, 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 8 commercial cross-references from 8 manufacturers, 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
NSN6685-00-527-6221
Primary Part Number117312
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusACTIVE
Bolt Circle Diameter3.125 INCHES NOMINAL IN
MaterialBRASS CASE
MaterialGLASS PROTECTIVE CRYSTAL
Nondefinitive Spec/std Data1 POLISHED
Mounting Hole Quantity3
Overall Diameter3.500 INCHES NOMINAL IN
MaterialBRONZE ACTUATING ELEMENT
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Pointer TypeINDICATING
Connection TypeEXTERNAL
Connector Type VentNOT PROVIDED
Connection Size0.250 IN. NPT DIA IN
Scale Range+0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodFLUSH
Graduation Unit20.0 POUNDS PER SQUARE INCH LBS
Dial Size2-1/2 IN. DIA IN
Scale Accuracy2 PCT MIDDLE HALF OF RANGE
Scale TypeSINGLE
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Bezel TypeTHREAD
Pointer ColorBLACK
Connection Quantity1
AdjustabilityNONADJUSTABLE
Scale NamePRESSURE
Actuation TypeSINGLE BOURDON TUBE
Connection LocationBACK
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-075-632611731 INTERCHANGEABLE
Bearing,sleeve
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
6105-00-134-653765-04 INTERCHANGEABLE
Motor,control
Arc Systems Inc
5331-00-171-5371KS1321 INTERCHANGEABLE
O-Ring
Minor Rubber Co Inc
5220-00-321-20526504 INTERCHANGEABLE
Gage,profile
Allison Transmission Inc Dba Allison Transmission, Inc
5950-00-647-5772 INTERCHANGEABLE
Transformer,power
5940-00-732-12947321294 INTERCHANGEABLE
Terminal,stud
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-871-672912273192 INTERCHANGEABLE
Clamp,hose
U S Army Tank Automotive Command Amsta-Im-Mm
3020-00-961-6160GD103-1 INTERCHANGEABLE
Gear,helical
Wisconsin Motors, Llc
6210-01-021-19543652-4-12-53110 INTERCHANGEABLE
Light,indicator
Sorenson Lighted Controls Inc
7830-01-075-0769MB-LARGE INTERCHANGEABLE
Medicine Ball
Combat Brands Llc Dba Ringside Fitness/fitness First/combat Sports Intl
Cross-Reference Index
Part NumberManufacturer
3373344 General Motors Corp (USA)
R501-18 Zeks Air Drier Corp Sub of Kemp Co (USA)
117312 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
6504 King Engineering Corporation Dba King-Gage Systems (USA)
3373344 Cooper Industries Industrial Machinery Div (USA)
P211968 Sterling Engine Co Inc (USA)
3373344 Cooper Industries Inc Dba Cooper Tools (USA)
3373344 General Motors Llc Dba General Motors Llc (USA)
Related Parts
3120-00-075-6326INTERCHANGEABLE
BEARING,SLEEVE
11731
6105-00-134-6537INTERCHANGEABLE
MOTOR,CONTROL
65-04
5331-00-171-5371INTERCHANGEABLE
O-RING
KS1321
5220-00-321-2052INTERCHANGEABLE
GAGE,PROFILE
6504
5950-00-647-5772INTERCHANGEABLE
TRANSFORMER,POWER
5940-00-732-1294INTERCHANGEABLE
TERMINAL,STUD
7321294
4730-00-871-6729INTERCHANGEABLE
CLAMP,HOSE
12273192
3020-00-961-6160INTERCHANGEABLE
GEAR,HELICAL
GD103-1
6210-01-021-1954INTERCHANGEABLE
LIGHT,INDICATOR
3652-4-12-53110
7830-01-075-0769INTERCHANGEABLE
MEDICINE BALL
MB-LARGE
6695-01-097-0441INTERCHANGEABLE
TESTER,OXYGEN MASK
TA MQ-1A
4820-01-378-8824INTERCHANGEABLE
PILOT GAG,VALVE
6504

Frequently Asked Questions

What is NSN 6685-00-527-6221?

NSN 6685-00-527-6221 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 6685-00-527-6221?

NSN 6685-00-527-6221 has 8 cross-referenced part numbers: 3373344 (General Motors Corp), R501-18 (Zeks Air Drier Corp Sub of Kemp Co), 117312 (Ametek, Inc. Div Aerospace & Defense), 6504 (King Engineering Corporation Dba King-Gage Systems), 3373344 (Cooper Industries Industrial Machinery Div) and 3 more.

What NSN replaces 6685-00-527-6221?

There are 12 known substitutes for 6685-00-527-6221: 3120-00-075-6326, 6105-00-134-6537, 5331-00-171-5371 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 117312?

Key specifications for 117312: Bolt Circle Diameter: 3.125 INCHES NOMINAL IN; Material: BRASS CASE; Material: GLASS PROTECTIVE CRYSTAL; Nondefinitive Spec/std Data: 1 POLISHED. 29 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