PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-I-18997/1DEA TY A25-0-300LGage,pressure,dial Indicating

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6685-00-527-6213 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-527-6213 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-527-6213. Primary manufacturer part number: MIL-I-18997/1DEA TY A25-0-300L.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: BRASS CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: BRONZE ACTUATING ELEMENT
  • Overall Diameter: 2.969 INCHES NOMINAL IN
  • Pointer Color: BLACK AND RED
  • Connection Quantity: 1
  • Connection Location: LOWER
Applications
  • Applications requiring Brass Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-527-6213, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 24 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-527-6213
Primary Part NumberMIL-I-18997/1DEA TY A25-0-300L
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
MaterialBRASS CASE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialBRONZE ACTUATING ELEMENT
Overall Diameter2.969 INCHES NOMINAL IN
Pointer ColorBLACK AND RED
Connection Quantity1
Connection LocationLOWER
Scale NamePRESSURE
Connection TypeEXTERNAL
Mounting Connection LocationBOTTOM
AdjustabilityNONADJUSTABLE
Scale Accuracy2 PCT MIDDLE HALF OF RANGE
Pointer TypeINDICATING AND REFERENCE
Connection Size0.250 IN. NPT IN
Scale TypeSINGLE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Mounting MethodRIGID STEM
Graduation Unit25.0 POUNDS PER SQUARE INCH LBS
Connector Type VentNOT PROVIDED
Dial Size2-1/2 IN. DIA IN
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Range+0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS
Actuation TypeSINGLE BOURDON TUBE
Nondefinitive Spec/std Data1 POLISHED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6685-01-104-24273269882-4 INTERCHANGEABLE
Gage,pressure,dial Indicating
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
MIL-I-18997/1DEA TY A25-0-300L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AD3814 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6685-01-104-2427INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
3269882-4

Frequently Asked Questions

What is NSN 6685-00-527-6213?

NSN 6685-00-527-6213 is a Gage,pressure,dial Indicating, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-527-6213?

NSN 6685-00-527-6213 has 2 cross-referenced part numbers: MIL-I-18997/1DEA TY A25-0-300L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AD3814 (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-00-527-6213?

There is 1 known substitute for 6685-00-527-6213: 6685-01-104-2427. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-I-18997/1DEA TY A25-0-300L?

Key specifications for MIL-I-18997/1DEA TY A25-0-300L: Overall Depth: 1.250 INCHES NOMINAL IN; Material: BRASS CASE; Material: GLASS PROTECTIVE CRYSTAL; Material: BRONZE ACTUATING ELEMENT. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-527-6213 still in active supply?

NSN 6685-00-527-6213 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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