PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-54139PMicrocircuit,linear

Leonardo S.p.a. Security & Information System Division · NSN 5962-01-008-2156 · FSC 5962 · No Item Name Available
Verified by PartsTable
NSN 5962-01-008-2156 — this item is cataloged by the U.S. Government under National Stock Number 5962-01-008-2156. Primary manufacturer part number: 4-54139P.
Features
  • Microcircuit,linear — FSC 5962
  • Design Function and Quantity: 1 REGULATOR, VOLTAGE
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Input Circuit Pattern: 1 INPUT
  • Body Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Inclosure Configuration: CAN
  • Terminal Surface Treatment: GOLD
  • Inclosure Material: CERAMIC AND METAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Microcircuit,linear, cataloged under National Stock Number 5962-01-008-2156, is classified within Federal Supply Class 5962 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Leonardo S.p.a. Security & Information System Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5962-01-008-2156
Primary Part Number4-54139P
Item NameMicrocircuit,linear
FSC / FSG5962 / 59 — No Item Name Available
ManufacturerLeonardo S.p.a. Security & Information System Division
StatusACTIVE
Design Function and Quantity1 REGULATOR, VOLTAGE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Input Circuit Pattern1 INPUT
Body Length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Inclosure ConfigurationCAN
Terminal Surface TreatmentGOLD
Inclosure MaterialCERAMIC AND METAL
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Body Outside Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-00-584-0623 INTERCHANGEABLE
Microcircuit,linear
5962-01-071-43963004-75 INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Div Rmd Strategic
5962-01-077-3481723H/883B INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
4-54139P Leonardo S.p.a. Security & Information System Division (ITA)
723HMQB Fairchild Semiconductor Corp (USA)
KM1918 Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA)
Related Parts
5962-00-584-0623INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-071-4396INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3004-75
5962-01-077-3481INTERCHANGEABLE
MICROCIRCUIT,LINEAR
723H/883B

Frequently Asked Questions

What is NSN 5962-01-008-2156?

NSN 5962-01-008-2156 is a Microcircuit,linear, manufactured by Leonardo S.p.a. Security & Information System Division, classified under FSC 5962 (No Item Name Available). Status: active.

What are the part numbers for NSN 5962-01-008-2156?

NSN 5962-01-008-2156 has 3 cross-referenced part numbers: 4-54139P (Leonardo S.p.a. Security & Information System Division), 723HMQB (Fairchild Semiconductor Corp), KM1918 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution).

What NSN replaces 5962-01-008-2156?

There are 3 known substitutes for 5962-01-008-2156: 5962-00-584-0623, 5962-01-071-4396, 5962-01-077-3481. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-54139P?

Key specifications for 4-54139P: Design Function and Quantity: 1 REGULATOR, VOLTAGE; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Input Circuit Pattern: 1 INPUT; Body Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 9 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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