PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

138054-AGage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-864-7057 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-864-7057 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-864-7057. Primary manufacturer part number: 138054-A.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Adjustability: NONADJUSTABLE
  • Scale Type: SINGLE
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Surface Treatment: ENAMEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: PLASTIC AND STEEL CASE
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy 511 Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-864-7057, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN6685-00-864-7057
Primary Part Number138054-A
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
AdjustabilityNONADJUSTABLE
Scale TypeSINGLE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Surface TreatmentENAMEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialPLASTIC AND STEEL CASE
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Bolt Circle Diameter4.250 INCHES NOMINAL IN
Connector Type VentNOT PROVIDED
Scale NamePRESSURE
Bezel TypeSLIPS-ON
Scale Accuracy2 PCT ACCURACY RATING MIDDLE HALF OF SCALE RANGE,3 PCT ACCURACY REMAINDER
Dial Size3-1/2 IN. DIA IN
Actuation TypeSINGLE BOURDON TUBE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Pointer TypeINDICATING
Connection LocationBACK
Connection TypeEXTERNAL
Mounting MethodFLUSH PANEL
Connection Size0.250 IN. NPT DIA IN
Graduation Unit5.0 POUNDS PER SQUARE INCH LBS
Usage DesignW/QXYGEN
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
Pointer ColorBLACK
Connection Quantity1
Scale Range+0.0 TO 30.0 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting Hole Quantity3
Overall Diameter3.880 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2810-00-048-718310668 INTERCHANGEABLE
Hub
Mcculloch Corp
6620-00-238-997223D INTERCHANGEABLE
Gage,pressure,dial Indicating
Zeks Air Drier Corp Sub of Kemp Co
1560-00-245-888110668 INTERCHANGEABLE
Trim,strip
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
4730-00-246-9219108687 INTERCHANGEABLE
Elbow,pipe
Allison Transmission Inc Dba Allison Transmission, Inc
5960-00-256-0587 INTERCHANGEABLE
Retainer,electron Tube
6685-00-286-805612275 INTERCHANGEABLE
Gage,pressure,dial Indicating
Clayton Manufacturing Company
1650-00-313-116783828-1 INTERCHANGEABLE
Restrictor,oil Sepa
Goodrich Corporation Dba Goodrich Corp
6685-00-557-5222G10141 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-580-0727 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-580-3489J6346 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
Cross-Reference Index
Part NumberManufacturer
AL-353 Barber-Colman Co Environmental Controls Div (USA)
23D Liftec Inc Div Liftec, Inc. (USA)
10668 Ametek, Inc. Div Aerospace & Defense (USA)
YD2-7 Ellis & Watts International, Llc (USA)
138054-P845FF Ametek, Inc. Div Aerospace & Defense (USA)
138054-A PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
83-8-281 Ecolaire Inc Baldwin-Hamilton Co Div (USA)
Related Parts
2810-00-048-7183INTERCHANGEABLE
HUB
10668
6620-00-238-9972INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
23D
1560-00-245-8881INTERCHANGEABLE
TRIM,STRIP
10668
4730-00-246-9219INTERCHANGEABLE
ELBOW,PIPE
108687
5960-00-256-0587INTERCHANGEABLE
RETAINER,ELECTRON TUBE
6685-00-286-8056INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
12275
1650-00-313-1167INTERCHANGEABLE
RESTRICTOR,OIL SEPA
83828-1
6685-00-557-5222INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
G10141
6685-00-580-0727INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-580-3489INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J6346
6685-00-622-4305INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5910-00-667-8782INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
0801000Z5U0 202K

Frequently Asked Questions

What is NSN 6685-00-864-7057?

NSN 6685-00-864-7057 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 6685-00-864-7057?

NSN 6685-00-864-7057 has 7 cross-referenced part numbers: AL-353 (Barber-Colman Co Environmental Controls Div), 23D (Liftec Inc Div Liftec, Inc.), 10668 (Ametek, Inc. Div Aerospace & Defense), YD2-7 (Ellis & Watts International, Llc), 138054-P845FF (Ametek, Inc. Div Aerospace & Defense) and 2 more.

What NSN replaces 6685-00-864-7057?

There are 12 known substitutes for 6685-00-864-7057: 2810-00-048-7183, 6620-00-238-9972, 1560-00-245-8881 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 138054-A?

Key specifications for 138054-A: Adjustability: NONADJUSTABLE; Scale Type: SINGLE; Material: COPPER ALLOY 511 ACTUATING ELEMENT; Surface Treatment: ENAMEL CASE. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-864-7057 still in active supply?

NSN 6685-00-864-7057 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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