PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4275-025Coupler,transmission Line

Bird Electronic Corporation Div Bird Electronic Corp · NSN 5985-01-681-7763 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-681-7763 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-681-7763. Primary manufacturer part number: 4275-025.
Features
  • Coupler,transmission Line — FSC 5985
  • Precious Material: SILVER
  • Precious Material and Location: PLATING SILVER
  • Radio Frequency Rating: 20.0 MEGAHERTZ MINIMUM AND 1000.0 MEGAHERTZ MINIMUM
  • Output Impedance Rating in Ohms: 50.0
  • Input Impedance Rating in Ohms: 50.0
  • Material: COPPER ALLOY
  • Unit Type: COAXIAL LINE
Applications
  • Applications requiring Copper Alloy construction
General Description

The Coupler,transmission Line, cataloged under National Stock Number 5985-01-681-7763, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Bird Electronic Corporation Div Bird Electronic Corp. Government technical data includes 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-681-7763
Primary Part Number4275-025
Item NameCoupler,transmission Line
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBird Electronic Corporation Div Bird Electronic Corp
StatusACTIVE
Precious MaterialSILVER
Precious Material and LocationPLATING SILVER
Radio Frequency Rating20.0 MEGAHERTZ MINIMUM AND 1000.0 MEGAHERTZ MINIMUM
Output Impedance Rating in Ohms50.0
Input Impedance Rating in Ohms50.0
MaterialCOPPER ALLOY
Unit TypeCOAXIAL LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5130-00-880-4586 INTERCHANGEABLE
Grinder,portable
4440-01-125-0444 INTERCHANGEABLE
Header,tower,dehydrator
4720-01-154-71164663-3496 INTERCHANGEABLE
Hose,air Duct
Gates Corporation
5315-01-293-78407998 INTERCHANGEABLE
Pin,cotter
Clayton Manufacturing Company
4240-01-320-19537000126524 INTERCHANGEABLE
Faceshield,welder
3m Company
Cross-Reference Index
Part NumberManufacturer
7998 Cdi Industries Inc (USA)
4275-025 PRIMARY Bird Electronic Corporation Div Bird Electronic Corp (USA)
Related Parts
5130-00-880-4586INTERCHANGEABLE
GRINDER,PORTABLE
4440-01-125-0444INTERCHANGEABLE
HEADER,TOWER,DEHYDRATOR
4720-01-154-7116INTERCHANGEABLE
HOSE,AIR DUCT
4663-3496
5315-01-293-7840INTERCHANGEABLE
PIN,COTTER
7998
4240-01-320-1953INTERCHANGEABLE
FACESHIELD,WELDER
7000126524

Frequently Asked Questions

What is NSN 5985-01-681-7763?

NSN 5985-01-681-7763 is a Coupler,transmission Line, manufactured by Bird Electronic Corporation Div Bird Electronic Corp, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-681-7763?

NSN 5985-01-681-7763 has 2 cross-referenced part numbers: 7998 (Cdi Industries Inc), 4275-025 (Bird Electronic Corporation Div Bird Electronic Corp).

What NSN replaces 5985-01-681-7763?

There are 5 known substitutes for 5985-01-681-7763: 5130-00-880-4586, 4440-01-125-0444, 4720-01-154-7116 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4275-025?

Key specifications for 4275-025: Precious Material: SILVER; Precious Material and Location: PLATING SILVER; Radio Frequency Rating: 20.0 MEGAHERTZ MINIMUM AND 1000.0 MEGAHERTZ MINIMUM; Output Impedance Rating in Ohms: 50.0. 12 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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