PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25A00-0903REVAGage,pressure,dial Indicating

Limco Airepair Inc. · NSN 6685-00-836-0401 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-836-0401 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-836-0401. Primary manufacturer part number: 25A00-0903REVA.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 2.719 INCHES NOMINAL IN
  • Color: BLACK CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL CASE
  • Material: BRONZE ACTUATING ELEMENT
  • Surface Treatment: ENAMEL CASE
  • Scale Accuracy: 2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-836-0401, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Limco Airepair Inc.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 16 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
NSN6685-00-836-0401
Primary Part Number25A00-0903REVA
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLimco Airepair Inc.
StatusCANCELLED
Overall Diameter2.719 INCHES NOMINAL IN
ColorBLACK CASE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL CASE
MaterialBRONZE ACTUATING ELEMENT
Surface TreatmentENAMEL CASE
Scale Accuracy2 PERCENT RATING MIDDLE HALF OF RANGE,3 PERCENT REMAINDER
Connection Size0.250 IN. NPT DIA IN
Connection Quantity1
Graduation Unit20.0 POUNDS LBS
Bezel TypeSNAP-ON
Mounting MethodSURFACE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Pointer ColorBLACK
Connection LocationBACK, CENTER
Connection TypeEXTERNAL
Dial Size2-1/2 IN. DIA IN
Scale Smallest Increment2.0 POUNDS LBS
Actuation TypeSINGLE BOURDON TUBE
Scale NamePRESSURE
AdjustabilityNONADJUSTABLE
Scale Range+0.0 TO 100.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connector Type VentNOT PROVIDED
Pointer TypeINDICATING
Scale TypeSINGLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5962-00-079-3539500177-1 INTERCHANGEABLE
Microcircuit,linear
L3harris Technologies, Inc. Dba Harris Corporation
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
6685-00-282-6873 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-286-805612275 INTERCHANGEABLE
Gage,pressure,dial Indicating
Clayton Manufacturing Company
4720-00-289-1409 INTERCHANGEABLE
Hose Assembly,nonmetallic
6625-00-502-73751000B INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic 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
13202E3005 Cecom Lr Center (USA)
25A00-0903REVA PRIMARY Limco Airepair Inc. (USA)
2 1-2 1DFFM1-4CBM100 Desco Corp Marsh Bellofram Div (USA)
1ABC03500AGA Bellofram Corporation (USA)
500S Ametek, Inc. Div Aerospace & Defense (USA)
1000B Ashcroft Inc Dba Heise (USA)
416967-1 L3harris Technologies, Inc. Dba Harris Corporation (USA)
M500S2-1-2X9-16 Met-Pro Corporation (USA)
FIG23D Liftec Inc Div Liftec, Inc. (USA)
3333-15 Highland Engineering Co (USA)
046779 Ametek, Inc. Div Aerospace & Defense (USA)
500S Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
23D Liftec Inc Div Liftec, Inc. (USA)
Z100S3A3080 Uniweld Products, Inc. Dba Uniweld Products Inc (USA)
500S2-1-2X9-16 Ametek, Inc. Div Aerospace & Defense (USA)
BU2350 Ametek, Inc. Div Aerospace & Defense (USA)
500S2-1-2-9-16 Ametek, Inc. Div Aerospace & Defense (USA)
P500 1/4CBM2 1/2IN-100PSI PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
60B14616 Wald Research Inc
46779-0 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
5962-00-079-3539INTERCHANGEABLE
MICROCIRCUIT,LINEAR
500177-1
6620-00-238-9972INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
23D
5960-00-256-0587INTERCHANGEABLE
RETAINER,ELECTRON TUBE
6685-00-282-6873INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-286-8056INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
12275
4720-00-289-1409INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6625-00-502-7375INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
1000B
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
5950-00-688-3028INTERCHANGEABLE
COIL,RADIO FREQUENCY
1000B

Frequently Asked Questions

What is NSN 6685-00-836-0401?

NSN 6685-00-836-0401 is a Gage,pressure,dial Indicating, manufactured by Limco Airepair Inc., classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-836-0401?

NSN 6685-00-836-0401 has 25 cross-referenced part numbers: 13202E3005 (Cecom Lr Center), 25A00-0903REVA (Limco Airepair Inc.), 2 1-2 1DFFM1-4CBM100 (Desco Corp Marsh Bellofram Div), 1ABC03500AGA (Bellofram Corporation), 500S (Ametek, Inc. Div Aerospace & Defense) and 20 more.

What NSN replaces 6685-00-836-0401?

There are 12 known substitutes for 6685-00-836-0401: 5962-00-079-3539, 6620-00-238-9972, 5960-00-256-0587 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25A00-0903REVA?

Key specifications for 25A00-0903REVA: Overall Diameter: 2.719 INCHES NOMINAL IN; Color: BLACK CASE; Material: GLASS PROTECTIVE CRYSTAL; Material: STEEL CASE. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-836-0401 still in active supply?

NSN 6685-00-836-0401 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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