PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1-72Pin Diode Switch

Spectrum Control Inc Div Weinschel · NSN 5961-01-148-9865 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-148-9865 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-148-9865. Primary manufacturer part number: B1-72.
Features
  • Pin Diode Switch — FSC 5961
  • 2 verified cross-references
  • Primary manufacturer: Spectrum Control Inc Div Weinschel
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Circuit regulation and filtering
  • Signal conditioning
General Description

The Pin Diode Switch, cataloged under National Stock Number 5961-01-148-9865, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Spectrum Control Inc Div Weinschel. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePin Diode Switch
FSC / FSG5961 — No Item Name Available (FSG 59)
ManufacturersSpectrum Control Inc Div Weinschel (CAGE 93459)
Technical Specifications
ParameterValue
NSN5961-01-148-9865
Primary Part NumberB1-72
Item NamePin Diode Switch
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSpectrum Control Inc Div Weinschel
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-226-8030B172 INTERCHANGEABLE
Impeller,right,over
Circor Naval Solutions Llc Dba Warren Pumps
4410-00-372-0897 INTERCHANGEABLE
Adapter,nozzle,oil Burner
6210-00-500-0742 INTERCHANGEABLE
Window,lighting Fixture
4920-00-866-7008B172 INTERCHANGEABLE
Programmer,autopilo
Lockheed Martin Corp
5330-01-004-4894B17-2 INTERCHANGEABLE
Gasket
Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics
4130-01-378-7828005661-A25(23 1/2X11 3/4X1) INTERCHANGEABLE
Filter Element,air Conditioning
Farr Co
1650-01-444-5744B-172 INTERCHANGEABLE
Boot,aircraft Components
Trelleborg Sealing Solutions Us, Inc. Dba Trelleborg Sealing Solutions Us, Inc
7025-01-548-3137B1167 INTERCHANGEABLE
Memory Unit,data Storage
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
B1-72 Spectrum Control Inc Div Weinschel (USA)
B1-167 Spectrum Control Inc Div Weinschel (USA)
Related Parts
4320-00-226-8030INTERCHANGEABLE
IMPELLER,RIGHT,OVER
B172
4410-00-372-0897INTERCHANGEABLE
ADAPTER,NOZZLE,OIL BURNER
6210-00-500-0742INTERCHANGEABLE
WINDOW,LIGHTING FIXTURE
4920-00-866-7008INTERCHANGEABLE
PROGRAMMER,AUTOPILO
B172
5330-01-004-4894INTERCHANGEABLE
GASKET
B17-2
4130-01-378-7828INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
005661-A25(23 1/2X11 3/4X1)
1650-01-444-5744INTERCHANGEABLE
BOOT,AIRCRAFT COMPONENTS
B-172
7025-01-548-3137INTERCHANGEABLE
MEMORY UNIT,DATA STORAGE
B1167

Frequently Asked Questions

What is NSN 5961-01-148-9865?

NSN 5961-01-148-9865 is a Pin Diode Switch, manufactured by Spectrum Control Inc Div Weinschel, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-148-9865?

NSN 5961-01-148-9865 has 2 cross-referenced part numbers: B1-72 (Spectrum Control Inc Div Weinschel), B1-167 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5961-01-148-9865?

There are 8 known substitutes for 5961-01-148-9865: 4320-00-226-8030, 4410-00-372-0897, 6210-00-500-0742 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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