PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4148Coupler,directional

Bird Electronic Corporation Div Bird Electronic Corp · NSN 5985-00-737-6268 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-737-6268 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-737-6268. Primary manufacturer part number: 4148.
Features
  • Coupler,directional — FSC 5985
  • Power Loss in Decibels: 0.5
  • Criticality Code Justification: FEAT
  • Design Type: BIDIRECTIONAL
  • Radio Frequency Rating: 2.0 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM
  • Usage Design: MAIN LINE TERMINAL FITTING
  • Unit Type: COAXIAL LINE
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-00-737-6268, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-737-6268
Primary Part Number4148
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBird Electronic Corporation Div Bird Electronic Corp
StatusACTIVE
Power Loss in Decibels0.5
Criticality Code JustificationFEAT
Design TypeBIDIRECTIONAL
Radio Frequency Rating2.0 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM
Usage DesignMAIN LINE TERMINAL FITTING
Unit TypeCOAXIAL LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-075-989810105385-8 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Us Army Aviation and Missile Command
5310-00-115-2530 INTERCHANGEABLE
Washer,spring Tension
4720-00-202-9319 INTERCHANGEABLE
Hose Assembly,nonmetallic
5120-00-277-5072 INTERCHANGEABLE
Wrench,open End Box
5305-00-349-81714148 INTERCHANGEABLE
Screw,tongue
Wakmann Watch Company Inc
5340-00-431-8854 INTERCHANGEABLE
Plug,expansion
6625-00-894-2590 INTERCHANGEABLE
Lead,test
7530-00-985-2145 INTERCHANGEABLE
Pad,writing Paper
5305-01-195-50524148 INTERCHANGEABLE
Screw,shoulder
Husco International Inc
3010-01-269-32454148 INTERCHANGEABLE
Drive Unit,angle
Vemaline Products Inc Dba Handles Unlimited Div Handles Unlimited
Cross-Reference Index
Part NumberManufacturer
4148 PRIMARY Bird Electronic Corporation Div Bird Electronic Corp (USA)
810000-452 PRIMARY Stromberg-Carlson Corp a Plessey Telecommunications Co (USA)
810000-452 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
TC162 Aimtron Systems, Llc (USA)
Related Parts
6150-00-075-9898INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
10105385-8
5310-00-115-2530INTERCHANGEABLE
WASHER,SPRING TENSION
4720-00-202-9319INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5120-00-277-5072INTERCHANGEABLE
WRENCH,OPEN END BOX
5305-00-349-8171INTERCHANGEABLE
SCREW,TONGUE
4148
5340-00-431-8854INTERCHANGEABLE
PLUG,EXPANSION
6625-00-894-2590INTERCHANGEABLE
LEAD,TEST
7530-00-985-2145INTERCHANGEABLE
PAD,WRITING PAPER
5305-01-195-5052INTERCHANGEABLE
SCREW,SHOULDER
4148
3010-01-269-3245INTERCHANGEABLE
DRIVE UNIT,ANGLE
4148
5330-01-303-3921INTERCHANGEABLE
SEAL,PLAIN ENCASED
4148
5305-01-305-1828INTERCHANGEABLE
SCREW,MACHINE
4148

Frequently Asked Questions

What is NSN 5985-00-737-6268?

NSN 5985-00-737-6268 is a Coupler,directional, 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 5985-00-737-6268?

NSN 5985-00-737-6268 has 4 cross-referenced part numbers: 4148 (Bird Electronic Corporation Div Bird Electronic Corp), 810000-452 (Stromberg-Carlson Corp a Plessey Telecommunications Co), 810000-452 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), TC162 (Aimtron Systems, Llc).

What NSN replaces 5985-00-737-6268?

There are 12 known substitutes for 5985-00-737-6268: 6150-00-075-9898, 5310-00-115-2530, 4720-00-202-9319 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4148?

Key specifications for 4148: Overall Height: 1.000 INCHES NOMINAL IN; Power Loss in Decibels: 0.5; Criticality Code Justification: FEAT; Design Type: BIDIRECTIONAL. 10 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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