PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251490A-02BGage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-01-523-8474 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-523-8474 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-523-8474. Primary manufacturer part number: 251490A-02B.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Pointer Color: ANY ACCEPTABLE
  • Adjustability: NONADJUSTABLE
  • Material: COPPER ALLOY ACTUATING ELEMENT
  • Connector Type Vent: NOT PROVIDED
  • Scale Range: +0.0 TO 10.0 POUNDS PER SQUARE INCH LBS
  • Connection Size: 1/4IN NPT IN
  • Connection Location: BACK, CENTER
Applications
  • Applications requiring Copper Alloy Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-523-8474, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-523-8474
Primary Part Number251490A-02B
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Pointer ColorANY ACCEPTABLE
AdjustabilityNONADJUSTABLE
MaterialCOPPER ALLOY ACTUATING ELEMENT
Connector Type VentNOT PROVIDED
Scale Range+0.0 TO 10.0 POUNDS PER SQUARE INCH LBS
Connection Size1/4IN NPT IN
Connection LocationBACK, CENTER
Graduation Unit1.0 POUNDS PER SQUARE INCH LBS
Scale TypeDIAL
Pointer TypeINDICATING
Connection TypeEXTERNAL
Scale Smallest Increment0.1 POUNDS PER SQUARE INCH (PSI) LBS
Dial Size2-1/2IN IN
Scale NamePRESSURE
Actuation TypeDIAPHRAGM
Connection Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5930-00-142-65047612809 INTERCHANGEABLE
Switch,push
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
7612809 Naval Sea Systems Command (USA)
251490A-02B Gma Cover Corp (CAN)
251490A-02B PRIMARY Ashcroft Inc Dba Heise (USA)
514-7612809 ITEM-33 Naval Sea Systems Command (USA)
Related Parts
5930-00-142-6504INTERCHANGEABLE
SWITCH,PUSH
7612809

Frequently Asked Questions

What is NSN 6685-01-523-8474?

NSN 6685-01-523-8474 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-523-8474?

NSN 6685-01-523-8474 has 4 cross-referenced part numbers: 7612809 (Naval Sea Systems Command), 251490A-02B (Gma Cover Corp), 251490A-02B (Ashcroft Inc Dba Heise), 514-7612809 ITEM-33 (Naval Sea Systems Command).

What NSN replaces 6685-01-523-8474?

There is 1 known substitute for 6685-01-523-8474: 5930-00-142-6504. Verify interchangeability with system specifications before substitution.

What are the specifications of 251490A-02B?

Key specifications for 251490A-02B: Pointer Color: ANY ACCEPTABLE; End Item Identification: PANEL,15K PSI AUX EX STM RED STA 7612809 ITEM 1; Adjustability: NONADJUSTABLE; Material: COPPER ALLOY ACTUATING ELEMENT. 19 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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