PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A301Pressure Tip

Dwyer Instruments Inc · NSN 6685-01-055-4806 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-055-4806 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-055-4806. Primary manufacturer part number: A301.
Features
  • Pressure Tip — FSC 6685
  • General Characteristics Item Description: ITEM IS FITTING DESIGNED TO SENSE STATIC PRESSURE; HAS 4 IN. INSERTION DEPTH,4 0.4 IN. DIA STATIC OPENINGS,2 WASHERS AND JAM NUT FOR MOUNTING IN 0.375 IN. DIA HOLE IN DUCT; FOR 0.25 IN. METAL TUBING CONNECTION; ANGLED TIP POINTS INTO MOVING STREAM OF AIR IN
  • 1 verified cross-reference
  • Primary manufacturer: Dwyer Instruments Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pressure Tip, cataloged under National Stock Number 6685-01-055-4806, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dwyer Instruments Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-055-4806
Primary Part NumberA301
Item NamePressure Tip
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerDwyer Instruments Inc
StatusACTIVE
General Characteristics Item DescriptionITEM IS FITTING DESIGNED TO SENSE STATIC PRESSURE; HAS 4 IN. INSERTION DEPTH,4 0.4 IN. DIA STATIC OPENINGS,2 WASHERS AND JAM NUT FOR MOUNTING IN 0.375 IN. DIA HOLE IN DUCT; FOR 0.25 IN. METAL TUBING CONNECTION; ANGLED TIP POINTS INTO MOVING STREAM OF AIR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5342-00-355-9727 INTERCHANGEABLE
Mount,resilient,weapon System
4320-00-398-6556A301 INTERCHANGEABLE
Impeller,pump,centrifugal
Carver Pump Company
5340-00-597-6325 INTERCHANGEABLE
Mount,resilient,utility
5960-00-976-48715YTHATW1TH3206-6AND3203-6T INTERCHANGEABLE
Retainer,electron Tube
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5945-01-089-21050026-0138 INTERCHANGEABLE
Solenoid,electrical
L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
7510-01-470-6078AA1807 INTERCHANGEABLE
Rubber Band
Armstrong Medical Industries, Inc
5895-01-620-5406A-301 INTERCHANGEABLE
Nrp,radio Frequency
Ultralife Corp.
Cross-Reference Index
Part NumberManufacturer
A301 PRIMARY Dwyer Instruments Inc (USA)
Related Parts
5342-00-355-9727INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
4320-00-398-6556INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A301
5340-00-597-6325INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
5960-00-976-4871INTERCHANGEABLE
RETAINER,ELECTRON TUBE
5YTHATW1TH3206-6AND3203-6T
5945-01-089-2105INTERCHANGEABLE
SOLENOID,ELECTRICAL
0026-0138
7510-01-470-6078INTERCHANGEABLE
RUBBER BAND
AA1807
5895-01-620-5406INTERCHANGEABLE
NRP,RADIO FREQUENCY
A-301

Frequently Asked Questions

What is NSN 6685-01-055-4806?

NSN 6685-01-055-4806 is a Pressure Tip, manufactured by Dwyer Instruments Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-055-4806?

NSN 6685-01-055-4806 has 1 cross-referenced part number: A301 (Dwyer Instruments Inc).

What NSN replaces 6685-01-055-4806?

There are 7 known substitutes for 6685-01-055-4806: 5342-00-355-9727, 4320-00-398-6556, 5340-00-597-6325 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A301?

Key specifications for A301: General Characteristics Item Description: ITEM IS FITTING DESIGNED TO SENSE STATIC PRESSURE; HAS 4 IN. INSERTION DEPTH,4 0.4 IN. DIA STATIC OPENINGS,2 WASHERS AND JAM NUT FOR MOUNTING IN 0.375 IN. DIA HOLE IN DUCT; FOR 0.25 IN. METAL TUBING CONNECTION; ANGLED TIP POINTS INTO MOVING STREAM OF AIR IN; End Item Identification: E-3A ACFT A. 2 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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