PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82405Gage,pressure,dial Indicating

Stewart-Warner Corporation · NSN 6685-00-578-5951 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-578-5951 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-578-5951. Primary manufacturer part number: 82405.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: STEEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Surface Treatment: CHROMIUM AND CADMIUM CASE
  • Scale Name: PRESSURE
  • Bezel Type: CRIMP
  • Scale Smallest Increment: 0.500 POUNDS PER SQUARE INCH (PSI) LBS
  • Stud Quantity: 2
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-578-5951, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Stewart-Warner Corporation. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-578-5951
Primary Part Number82405
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerStewart-Warner Corporation
StatusCANCELLED
MaterialSTEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Surface TreatmentCHROMIUM AND CADMIUM CASE
Scale NamePRESSURE
Bezel TypeCRIMP
Scale Smallest Increment0.500 POUNDS PER SQUARE INCH (PSI) LBS
Stud Quantity2
Unable to DecodeUNABLE TO DECODE
Scale Range+0.000 TO 10.000 POUNDS PRESSURE PER SQUARE INCH LBS
Scale TypeSINGLE
AdjustabilityADJUSTABLE
Connection Size0.375 IN. NPT IN
Pointer TypeINDICATING
Scale Inscription/background ColorWHITE FIGURES ON BLACK BACKGROUND
Mounting MethodBRACKET(S) AND FLUSH PANEL AND STUD(S)
Connection Quantity1
Actuation TypeSINGLE BOURDON TUBE
Pointer ColorWHITE
Stud LocationBACK
Connector Type VentNOT PROVIDED
Connection LocationBACK
Graduation Unit1.000 POUNDS PER SQUARE INCH LBS
Scale Accuracy2 PCT ENTIRE RANGE
Dial Size2-1/2 IN. DIA IN
Connection TypeEXTERNAL
Overall Diameter2.812 INCHES NOMINAL IN
MaterialBRONZE ACTUATING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4820-00-146-1001101022PC514 INTERCHANGEABLE
Valve,flow Control
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
1610-00-215-318982405 INTERCHANGEABLE
Bracket Asy
Hamilton Sundstrand Corporation Dba Collins Aerospace
5950-00-498-2153201-37 INTERCHANGEABLE
Transformer,power,s
L3harris Technologies, Inc.
5330-00-656-253682405 INTERCHANGEABLE
Gasket
Honeywell International Inc. Div Aerospace - Torrance
5360-00-822-2454 INTERCHANGEABLE
Spring,helical,compression
6685-01-120-20721583-J51AMQ00 INTERCHANGEABLE
Gage,pressure,dial Indicating
Control Specialties Inc
5985-01-419-7848H-5201 INTERCHANGEABLE
Horn,waveguide
Caes Systems Llc
Cross-Reference Index
Part NumberManufacturer
64A130A87 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
64A130A87 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
367B Stewart-Warner Corporation (USA)
H52-01 Air-a-Plane Corp (USA)
D367B Stewart-Warner Corporation (USA)
82405 PRIMARY Stewart-Warner Corporation (USA)
Related Parts
4820-00-146-1001INTERCHANGEABLE
VALVE,FLOW CONTROL
101022PC514
1610-00-215-3189INTERCHANGEABLE
BRACKET ASY
82405
5950-00-498-2153INTERCHANGEABLE
TRANSFORMER,POWER,S
201-37
5330-00-656-2536INTERCHANGEABLE
GASKET
82405
5360-00-822-2454INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6685-01-120-2072INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1583-J51AMQ00
5985-01-419-7848INTERCHANGEABLE
HORN,WAVEGUIDE
H-5201

Frequently Asked Questions

What is NSN 6685-00-578-5951?

NSN 6685-00-578-5951 is a Gage,pressure,dial Indicating, manufactured by Stewart-Warner Corporation, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-578-5951?

NSN 6685-00-578-5951 has 6 cross-referenced part numbers: 64A130A87 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 64A130A87 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 367B (Stewart-Warner Corporation), H52-01 (Air-a-Plane Corp), D367B (Stewart-Warner Corporation) and 1 more.

What NSN replaces 6685-00-578-5951?

There are 7 known substitutes for 6685-00-578-5951: 4820-00-146-1001, 1610-00-215-3189, 5950-00-498-2153 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82405?

Key specifications for 82405: Material: STEEL CASE; Material: GLASS PROTECTIVE CRYSTAL; Surface Treatment: CHROMIUM AND CADMIUM CASE; Overall Depth: 1.812 INCHES NOMINAL IN. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-578-5951 still in active supply?

NSN 6685-00-578-5951 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