PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

62D-4C-0100Gage,differential,dial Indicatin

Wika Holding Lp · NSN 6685-00-949-3633 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-949-3633 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-949-3633. Primary manufacturer part number: 62D-4C-0100.
Features
  • Gage,differential,dial Indicatin — FSC 6685
  • Mounting Hole Quantity: 3
  • Scale Range: +0.0 TO 10.0 INCHES IN
  • Pointer Color: BLACK
  • Connection Type: INTERNAL
  • Pointer Type: INDICATING
  • Scale Name: DIFFERENTIAL PRESSURE
  • Connection Location: BACK
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-00-949-3633, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Wika Holding Lp. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-949-3633
Primary Part Number62D-4C-0100
Item NameGage,differential,dial Indicatin
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerWika Holding Lp
StatusACTIVE
Mounting Hole Quantity3
Scale Range+0.0 TO 10.0 INCHES IN
Pointer ColorBLACK
Connection TypeINTERNAL
Pointer TypeINDICATING
Scale NameDIFFERENTIAL PRESSURE
Connection LocationBACK
Connector Type VentNOT PROVIDED
MaterialGLASS PROTECTIVE CRYSTAL
MaterialCOPPER ALLOY ACTUATING ELEMENT
Scale TypeSINGLE
Dial Size2.750 IN. DIA IN
AdjustabilityADJUSTABLE
Scale Length7.000 INCHES NOMINAL IN
MaterialALUMINUM CASE
Scale Inscription/background ColorBLACK MARKINGS ON WHITE BACKGROUND
Scale Accuracy0.33 PCT FULL SCALE
Connection Size0.125 IN. NPT DIA IN
Connection Quantity2
Surface TreatmentANODIZE CASE
Actuation TypeCAPSULE
Scale Smallest Increment1.0 INCHES IN
Mounting MethodFLUSH
Mounting Hole Diameter0.173 INCHES NOMINAL IN
Overall Diameter3.750 INCHES NOMINAL IN
Bolt Circle Diameter3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6685-00-526-4265FAXA141274 INTERCHANGEABLE
Gage,liquid Oxygen Content,dial
Wika Holding Lp
6685-00-530-0098 INTERCHANGEABLE
Gage,liquid Oxygen Content,dial
6685-00-965-019262D-4C-0040K INTERCHANGEABLE
Gage,pressure,dial Indicating
Wika Holding Lp
Cross-Reference Index
Part NumberManufacturer
FA141420 Wika Holding Lp (USA)
FA141200 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
59A120A4-5-4 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
62D-4C-0100 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
FA141420 Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA)
62D-4C-0100 PRIMARY Wika Holding Lp (USA)
59A120A4-5-4 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
6685-00-526-4265INTERCHANGEABLE
GAGE,LIQUID OXYGEN CONTENT,DIAL
FAXA141274
6685-00-530-0098INTERCHANGEABLE
GAGE,LIQUID OXYGEN CONTENT,DIAL
6685-00-965-0192INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
62D-4C-0040K

Frequently Asked Questions

What is NSN 6685-00-949-3633?

NSN 6685-00-949-3633 is a Gage,differential,dial Indicatin, manufactured by Wika Holding Lp, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-949-3633?

NSN 6685-00-949-3633 has 7 cross-referenced part numbers: FA141420 (Wika Holding Lp), FA141200 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products), 59A120A4-5-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 62D-4C-0100 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products), FA141420 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products) and 2 more.

What NSN replaces 6685-00-949-3633?

There are 3 known substitutes for 6685-00-949-3633: 6685-00-526-4265, 6685-00-530-0098, 6685-00-965-0192. Verify interchangeability with system specifications before substitution.

What are the specifications of 62D-4C-0100?

Key specifications for 62D-4C-0100: Mounting Hole Quantity: 3; End Item Identification: AIRCRAFT,SKY WARRIOR A-3; AIRCRAFT,SKY HAWK A-4; AIRCRAFT,PHANTON F-4; Scale Range: +0.0 TO 10.0 INCHES IN; Pointer Color: BLACK. 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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