PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25-1005-01B-30PSIGage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-281-1802 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-281-1802 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-281-1802. Primary manufacturer part number: 25-1005-01B-30PSI.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Color: BLACK CASE
  • Material: STEEL CASE
  • Overall Diameter: 2.719 INCHES NOMINAL IN
  • Material: BRONZE ACTUATING ELEMENT
  • Scale Inscription/background Color: BLACK FIGURES,WHITE BACKGROUND
  • Connection Type: EXTERNAL
  • Actuation Type: BOURDON TUBE
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-281-1802, 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 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-281-1802
Primary Part Number25-1005-01B-30PSI
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
ColorBLACK CASE
MaterialSTEEL CASE
Overall Diameter2.719 INCHES NOMINAL IN
MaterialBRONZE ACTUATING ELEMENT
Scale Inscription/background ColorBLACK FIGURES,WHITE BACKGROUND
Connection TypeEXTERNAL
Actuation TypeBOURDON TUBE
Connection LocationBACK, CENTER
Pointer TypeINDICATING
Graduation Unit5.0 POUNDS PER SQUARE INCH LBS
AdjustabilityNONADJUSTABLE
Pointer ColorBLACK
Connection Quantity1
Mounting Connection LocationBACK, CENTER
Scale NamePRESSURE
Scale Name for Which Pointer Is DesignedPRESSURE
Bezel TypeSNAP-ON
Scale Smallest Increment0.5 POUNDS PER SQUARE INCH (PSI) LBS
Dial Size2-1/2 IN. DIA. IN
Surface TreatmentPAINT EPOXY CASE
Connector Type VentNOT PROVIDED
Mounting MethodCONNECTION
Scale Range+0.000 TO 30.000 POUNDS PRESSURE PER SQUARE INCH LBS
Connection Size1/8 IN. NPT MALE IN
Scale TypeDIAL
Scale Accuracy2 PERCENT MIDDLE HALF,3 PERCENT FIRST AND LAST QUARTER
MaterialGLASS PROTECTIVE CRYSTAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3830-00-272-2204 INTERCHANGEABLE
Demolition Tool,pneumatic Impact
5985-00-331-37598024490 INTERCHANGEABLE
Attenuator,variable
Us Army Aviation and Missile Command
5895-00-476-5888 INTERCHANGEABLE
Divider,power,radio Frequency
5905-00-636-7882 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
5940-00-801-30628528926 INTERCHANGEABLE
Terminal Board
Us Army Aviation and Missile Command
2825-01-081-1875T1000 INTERCHANGEABLE
Ring
Camar Corp.
5815-01-100-9849T-1000 INTERCHANGEABLE
Teleprinter
Siemens Corp
3455-01-109-3969330-597144 INTERCHANGEABLE
Blade,band Saw,metal Cutting
Doall Baltimore Company
5998-01-527-4689T1000 INTERCHANGEABLE
Circuit Card Assembly
The Electric Heater Co Dba Hubbell Electric Heater Co.
1005-01-601-5619T1000 INTERCHANGEABLE
Brush,cleaning,small Arms
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
25-1005-01B-30PSI PRIMARY Ashcroft Inc Dba Heise (USA)
T1000 Komdresco Canada Inc (CAN)
Related Parts
3830-00-272-2204INTERCHANGEABLE
DEMOLITION TOOL,PNEUMATIC IMPACT
5985-00-331-3759INTERCHANGEABLE
ATTENUATOR,VARIABLE
8024490
5895-00-476-5888INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
5905-00-636-7882INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
5940-00-801-3062INTERCHANGEABLE
TERMINAL BOARD
8528926
2825-01-081-1875INTERCHANGEABLE
RING
T1000
5815-01-100-9849INTERCHANGEABLE
TELEPRINTER
T-1000
3455-01-109-3969INTERCHANGEABLE
BLADE,BAND SAW,METAL CUTTING
330-597144
5998-01-527-4689INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
T1000
1005-01-601-5619INTERCHANGEABLE
BRUSH,CLEANING,SMALL ARMS
T1000
8145-01-625-5071INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,D
T1000

Frequently Asked Questions

What is NSN 6685-00-281-1802?

NSN 6685-00-281-1802 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 6685-00-281-1802?

NSN 6685-00-281-1802 has 2 cross-referenced part numbers: 25-1005-01B-30PSI (Ashcroft Inc Dba Heise), T1000 (Komdresco Canada Inc).

What NSN replaces 6685-00-281-1802?

There are 11 known substitutes for 6685-00-281-1802: 3830-00-272-2204, 5985-00-331-3759, 5895-00-476-5888 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25-1005-01B-30PSI?

Key specifications for 25-1005-01B-30PSI: Color: BLACK CASE; Material: STEEL CASE; Overall Diameter: 2.719 INCHES NOMINAL IN; Material: BRONZE ACTUATING ELEMENT. 28 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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