PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

IDPGage,pressure,dial Indicating

Bellofram Corporation · NSN 6685-00-514-3687 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-514-3687 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-514-3687. Primary manufacturer part number: IDP.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL CASE
  • Surface Treatment: ENAMEL CASE
  • Material: BRONZE ACTUATING ELEMENT
  • Overall Diameter: 2.719 INCHES NOMINAL IN
  • Connection Size: 0.250 IN. NPT IN
  • Scale Name: PRESSURE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-514-3687, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 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: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-514-3687
Primary Part NumberIDP
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerBellofram Corporation
StatusCANCELLED
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL CASE
Surface TreatmentENAMEL CASE
MaterialBRONZE ACTUATING ELEMENT
Overall Diameter2.719 INCHES NOMINAL IN
Connection Size0.250 IN. NPT IN
Scale NamePRESSURE
Actuation TypeSINGLE BOURDON TUBE
Mounting MethodRIGID STEM
Pointer ColorBLACK
Graduation Unit100.0 POUNDS PER SQUARE INCH LBS
Scale Smallest Increment20.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection LocationLOWER
Scale Range+0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection Quantity1
Dial Size2-1/2 IN. DIA IN
Bezel TypeSLIP
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection TypeEXTERNAL
AdjustabilityNONADJUSTABLE
Scale TypeSINGLE
Connector Type VentNOT PROVIDED
Pointer TypeINDICATING
Scale Accuracy2 PCT MIDDLE HALF OF RANGE,3 PCT REMAINDER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-061-1797J1852E INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
1560-00-213-49914664-80 INTERCHANGEABLE
Section,port 7
Solar Turbines Incorporated Dba Solar Turbines Incorporated
6685-00-265-0909GA288 INTERCHANGEABLE
Gage,pressure,dial Indicating
Illinois Tool Works Inc.
6685-00-315-5195047615 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-424-5726162988 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-530-0092J0658 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-753-28142 1-2 1DP1-4BM100RB INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-760-3795P500 1/8CBM1 1/2IN30PSI INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-763-520920-1005H02B 0/160 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-846-1875J4058 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
Cross-Reference Index
Part NumberManufacturer
046648 Ametek, Inc. Div Aerospace & Defense (USA)
23 Liftec Inc Div Liftec, Inc. (USA)
500S0-600-2 1-2 Ametek, Inc. Div Aerospace & Defense (USA)
P500 Ametek, Inc. Div Aerospace & Defense (USA)
IDP PRIMARY Bellofram Corporation (USA)
500S Ametek, Inc. Div Aerospace & Defense (USA)
81978-B7 Schneider Electric Systems Usa Inc (USA)
5DPSR Desco Corp Marsh Bellofram Div (USA)
6685PL0748578 Jednolity Indeks Materialowy - Uniform Material Index (POL)
P500-0-600LBS1-4LM2 1-2DIAL Ametek, Inc. Div Aerospace & Defense (USA)
46648-0 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
G14498 Liftec Inc Div Liftec, Inc. (USA)
1000 Ashcroft Inc Dba Heise (USA)
5DPSR Bellofram Corporation (USA)
FIG23 Ernst Flow Industries (USA)
1DP Desco Corp Marsh Bellofram Div (USA)
Related Parts
6685-00-061-1797INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J1852E
1560-00-213-4991INTERCHANGEABLE
SECTION,PORT 7
4664-80
6685-00-265-0909INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
GA288
6685-00-315-5195INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
047615
6685-00-424-5726INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
162988
6685-00-530-0092INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J0658
6685-00-753-2814INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2 1-2 1DP1-4BM100RB
6685-00-760-3795INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
P500 1/8CBM1 1/2IN30PSI
6685-00-763-5209INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
20-1005H02B 0/160
6685-00-846-1875INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J4058
6685-00-883-1811INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
2 1-2 1DP1-4BM600RB
6685-00-985-5007INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
4 1-2 1DP1-4BM300

Frequently Asked Questions

What is NSN 6685-00-514-3687?

NSN 6685-00-514-3687 is a Gage,pressure,dial Indicating, manufactured by Bellofram Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-514-3687?

NSN 6685-00-514-3687 has 16 cross-referenced part numbers: 046648 (Ametek, Inc. Div Aerospace & Defense), 23 (Liftec Inc Div Liftec, Inc.), 500S0-600-2 1-2 (Ametek, Inc. Div Aerospace & Defense), P500 (Ametek, Inc. Div Aerospace & Defense), IDP (Bellofram Corporation) and 11 more.

What NSN replaces 6685-00-514-3687?

There are 12 known substitutes for 6685-00-514-3687: 6685-00-061-1797, 1560-00-213-4991, 6685-00-265-0909 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of IDP?

Key specifications for IDP: Material: GLASS PROTECTIVE CRYSTAL; Material: STEEL CASE; Surface Treatment: ENAMEL CASE; Material: BRONZE ACTUATING ELEMENT. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-514-3687 still in active supply?

NSN 6685-00-514-3687 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.
PartsTable Design LLC · partstable.com