PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6901-723Gage,pressure,dial Indicating

Meggitt Safety Systems Inc · NSN 6685-00-816-4490 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-816-4490 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-816-4490. Primary manufacturer part number: 6901-723.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: ALUMINUM ALLOY CASE
  • Material Document and Classification: AN 5727 MIL SPEC SINGLE MATERIAL RESPONSE PROTECTIVE CRYSTAL
  • Surface Treatment: ANODIZE CASE
  • Material: ALUMINUM ALLOY ACTUATING ELEMENT
  • Connection Location: BACK
  • Actuation Type: SINGLE BOURDON TUBE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-816-4490, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Meggitt Safety Systems Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN6685-00-816-4490
Primary Part Number6901-723
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerMeggitt Safety Systems Inc
StatusACTIVE
MaterialGLASS PROTECTIVE CRYSTAL
MaterialALUMINUM ALLOY CASE
Material Document and ClassificationAN 5727 MIL SPEC SINGLE MATERIAL RESPONSE PROTECTIVE CRYSTAL
Surface TreatmentANODIZE CASE
MaterialALUMINUM ALLOY ACTUATING ELEMENT
Connection LocationBACK
Actuation TypeSINGLE BOURDON TUBE
Scale Range+0.000 TO 3000.000 POUNDS PRESSURE PER SQUARE INCH LBS
Mounting MethodRIGID STEM
Scale TypeSINGLE
AdjustabilityNONADJUSTABLE
Scale NamePRESSURE
Dial Size1-7/32 IN. DIA IN
Pointer TypeINDICATING
Scale Smallest Increment100.0 POUNDS PER SQUARE INCH (PSI) LBS
Scale Accuracy80 PSI ENTIRE RANGE
Unable to DecodeUNABLE TO DECODE
Mounting Connection LocationBACK
Connector Type VentNOT PROVIDED
Graduation Unit1000.000 POUNDS PER SQUARE INCH LBS
Connection Quantity1
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Size0.438 IN. UNF IN
Connection TypeEXTERNAL
Pointer ColorBLACK
Overall Diameter1.515 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-263-4983169X6 INTERCHANGEABLE
Elbow,pipe to Tube
Danfoss Power Solutions II, Llc
5310-00-343-3976A3958 INTERCHANGEABLE
Washer,flat
Grimes Aerospace Company
5360-00-353-3019FC6785 INTERCHANGEABLE
Spring,helical,extension
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5310-00-737-56777375677 INTERCHANGEABLE
Washer,lock
U S Army Tank Automotive Command Amsta-Im-Mm
6625-01-092-1198260-8 INTERCHANGEABLE
Multimeter
Simpson Electric Company, Inc.
2540-01-179-996412182 INTERCHANGEABLE
Mirror Assembly,rearview
Grote Industries Inc Dba Grote Manufacturing Co Div Military Products
5963-01-231-84525829110 INTERCHANGEABLE
Electronic Module,standardized
Naval Sea Systems Command
5935-01-300-7809121-8-2 INTERCHANGEABLE
Shell,electrical Connector
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
5340-01-559-5881 INTERCHANGEABLE
Plate,mounting
4730-01-668-062612182-503 INTERCHANGEABLE
Shaft Hanger Assembly
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
6901-723 PRIMARY Meggitt Safety Systems Inc (USA)
12-25 Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
1218-002-00 Qed Inc Dba Qed Inc (USA)
6901-723 Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County (USA)
1218-2 Qed Inc Dba Qed Inc (USA)
Related Parts
4730-00-263-4983INTERCHANGEABLE
ELBOW,PIPE TO TUBE
169X6
5310-00-343-3976INTERCHANGEABLE
WASHER,FLAT
A3958
5360-00-353-3019INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
FC6785
5310-00-737-5677INTERCHANGEABLE
WASHER,LOCK
7375677
6625-01-092-1198INTERCHANGEABLE
MULTIMETER
260-8
2540-01-179-9964INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
12182
5963-01-231-8452INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
5829110
5935-01-300-7809INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
121-8-2
5340-01-559-5881INTERCHANGEABLE
PLATE,MOUNTING
4730-01-668-0626INTERCHANGEABLE
SHAFT HANGER ASSEMBLY
12182-503
4730-01-668-1358INTERCHANGEABLE
SHAFT HANGER ASSEMBLY
12182-510

Frequently Asked Questions

What is NSN 6685-00-816-4490?

NSN 6685-00-816-4490 is a Gage,pressure,dial Indicating, manufactured by Meggitt Safety Systems Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-816-4490?

NSN 6685-00-816-4490 has 5 cross-referenced part numbers: 6901-723 (Meggitt Safety Systems Inc), 12-25 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 1218-002-00 (Qed Inc Dba Qed Inc), 6901-723 (Meggitt Safety Systems, Inc. Dba Meggitt Control Systems-Ventura County), 1218-2 (Qed Inc Dba Qed Inc).

What NSN replaces 6685-00-816-4490?

There are 11 known substitutes for 6685-00-816-4490: 4730-00-263-4983, 5310-00-343-3976, 5360-00-353-3019 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6901-723?

Key specifications for 6901-723: Material: GLASS PROTECTIVE CRYSTAL; Material: ALUMINUM ALLOY CASE; Material Document and Classification: AN 5727 MIL SPEC SINGLE MATERIAL RESPONSE PROTECTIVE CRYSTAL; Surface Treatment: ANODIZE CASE. 27 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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