PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J2954Gage,pressure,dial Indicating

Bellofram Corporation · NSN 6685-00-800-2149 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-800-2149 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-800-2149. Primary manufacturer part number: J2954.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Hole Quantity: 3
  • Color: BLACK CASE
  • Material: STEEL CASE
  • Surface Treatment: ENAMEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Mounting Hole Diameter: 0.156 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-800-2149, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bellofram Corporation. 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: Active.

Technical Specifications
ParameterValue
NSN6685-00-800-2149
Primary Part NumberJ2954
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusACTIVE
Mounting Hole Quantity3
ColorBLACK CASE
MaterialSTEEL CASE
Surface TreatmentENAMEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Mounting Hole Diameter0.156 INCHES NOMINAL IN
Overall Diameter2.844 INCHES NOMINAL IN
Bolt Circle Diameter2.500 INCHES NOMINAL IN
AdjustabilityADJUSTABLE
Scale NamePRESSURE
Connection LocationBACK
Scale TypeSINGLE
Bezel TypeSLIPS-ON
Mounting MethodFLUSH PANEL
Connection Size0.250 IN. NPT IN
Scale Range+0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection TypeEXTERNAL
Pointer TypeINDICATING
Actuation TypeSINGLE BOURDON TUBE
Pointer ColorBLACK
Scale Smallest Increment5.0 POUNDS LBS
Connector Type VentNOT PROVIDED
Scale AccuracyPORM 2 PCT FULL SCALE
Dial Size2 IN. IN
Graduation Unit20.0 POUNDS LBS
Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6620-00-238-997223D INTERCHANGEABLE
Gage,pressure,dial Indicating
Zeks Air Drier Corp Sub of Kemp Co
5960-00-256-0587 INTERCHANGEABLE
Retainer,electron Tube
6685-00-286-805612275 INTERCHANGEABLE
Gage,pressure,dial Indicating
Clayton Manufacturing Company
5960-00-501-2413 INTERCHANGEABLE
Retainer,electron Tube
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
6685-00-622-4305 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-812-9035 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-836-040125A00-0903REVA INTERCHANGEABLE
Gage,pressure,dial Indicating
Limco Airepair Inc.
Cross-Reference Index
Part NumberManufacturer
91459 U M C Electronics Co (USA)
1DFFM1-4CBM200 Desco Corp Marsh Bellofram Div (USA)
23D2 Liftec Inc Div Liftec, Inc. (USA)
G10924 Liftec Inc Div Liftec, Inc. (USA)
845FF Ametek, Inc. Div Aerospace & Defense (USA)
J2954 PRIMARY Bellofram Corporation (USA)
23D Liftec Inc Div Liftec, Inc. (USA)
Related Parts
6620-00-238-9972INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
23D
5960-00-256-0587INTERCHANGEABLE
RETAINER,ELECTRON TUBE
6685-00-286-8056INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
12275
5960-00-501-2413INTERCHANGEABLE
RETAINER,ELECTRON TUBE
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
6685-00-812-9035INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-836-0401INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
25A00-0903REVA
6685-00-864-7057INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
138054-A
6685-00-878-7161INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164451

Frequently Asked Questions

What is NSN 6685-00-800-2149?

NSN 6685-00-800-2149 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-800-2149?

NSN 6685-00-800-2149 has 7 cross-referenced part numbers: 91459 (U M C Electronics Co), 1DFFM1-4CBM200 (Desco Corp Marsh Bellofram Div), 23D2 (Liftec Inc Div Liftec, Inc.), G10924 (Liftec Inc Div Liftec, Inc.), 845FF (Ametek, Inc. Div Aerospace & Defense) and 2 more.

What NSN replaces 6685-00-800-2149?

There are 12 known substitutes for 6685-00-800-2149: 6620-00-238-9972, 5960-00-256-0587, 6685-00-286-8056 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J2954?

Key specifications for J2954: Mounting Hole Quantity: 3; Color: BLACK CASE; Material: STEEL CASE; Surface Treatment: ENAMEL CASE. 30 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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