PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

127-1MLine Tester,air DAT

Bei Sensors & Systems Company, Inc. Dba Bei Duncan · NSN 4920-00-146-7600 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-146-7600 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-146-7600. Primary manufacturer part number: 127-1M.
Features
  • Line Tester,air DAT — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Bei Sensors & Systems Company, Inc. Dba Bei Duncan
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Line Tester,air DAT, cataloged under National Stock Number 4920-00-146-7600, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Bei Sensors & Systems Company, Inc. Dba Bei Duncan. 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: Active.

Technical Specifications
ParameterValue
NSN4920-00-146-7600
Primary Part Number127-1M
Item NameLine Tester,air DAT
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerBei Sensors & Systems Company, Inc. Dba Bei Duncan
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5110-00-180-0927 INTERCHANGEABLE
Punch,cutting,double Bow
Cross-Reference Index
Part NumberManufacturer
127-1M Bei Sensors & Systems Company, Inc. Dba Bei Duncan (USA)
127-1M Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division (USA)
Related Parts
5110-00-180-0927INTERCHANGEABLE
PUNCH,CUTTING,DOUBLE BOW

Frequently Asked Questions

What is NSN 4920-00-146-7600?

NSN 4920-00-146-7600 is a Line Tester,air DAT, manufactured by Bei Sensors & Systems Company, Inc. Dba Bei Duncan, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-146-7600?

NSN 4920-00-146-7600 has 2 cross-referenced part numbers: 127-1M (Bei Sensors & Systems Company, Inc. Dba Bei Duncan), 127-1M (Bei Sensors & Systems Co. Inc Dba Edcliff Instruments Division).

What NSN replaces 4920-00-146-7600?

There is 1 known substitute for 4920-00-146-7600: 5110-00-180-0927. Verify interchangeability with system specifications before substitution.

What are the specifications of 127-1M?

Key specifications for 127-1M: Special Features: COMPANY ITEM NAME--LINE TESTER, AIR DATA. 1 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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