PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TF4S03AH/TYPEH-119Transformer,power

United Transformer Corp Sub of Opt Industries Inc · NSN 5950-00-263-3671 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-263-3671 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-263-3671. Primary manufacturer part number: TF4S03AH/TYPEH-119.
Features
  • Transformer,power — FSC 5950
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Reliability Indicator: NOT ESTABLISHED
  • Criticality Code Justification: ZZZY
  • 5 verified cross-references
  • Primary manufacturer: United Transformer Corp Sub of Opt Industries Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transformer,power, cataloged under National Stock Number 5950-00-263-3671, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is United Transformer Corp Sub of Opt Industries Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5950-00-263-3671
Primary Part NumberTF4S03AH/TYPEH-119
Item NameTransformer,power
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerUnited Transformer Corp Sub of Opt Industries Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Reliability IndicatorNOT ESTABLISHED
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4920-00-015-4306 INTERCHANGEABLE
Test Set,aircraft Engine
5950-00-079-2254402460 INTERCHANGEABLE
Transformer,power
Aimtron Systems, Llc
5325-00-285-20141201-535-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
3820-00-354-5480212-105 INTERCHANGEABLE
Block
Dresser Industries Inc Leroi Div
3030-00-528-4521 INTERCHANGEABLE
Belt,v
5360-01-045-3383H119 INTERCHANGEABLE
Spring,helical,compression
Uhan Bros P O Box 264 Wellston Mi 49689
5330-01-182-3976 INTERCHANGEABLE
Seal Kit,pump
5950-01-396-5539 INTERCHANGEABLE
Transformer,current
Cross-Reference Index
Part NumberManufacturer
TF4S03AH/TYPEH-119 United Transformer Corp Sub of Opt Industries Inc (USA)
10-5100ITEM18 L3 Technologies, Inc. (USA)
TF4S03AH/TYPEH-119 Magnetika Inc (USA)
H119 United Transformer Corp Sub of Opt Industries Inc (USA)
H119 Magnetika Inc (USA)
Related Parts
4920-00-015-4306INTERCHANGEABLE
TEST SET,AIRCRAFT ENGINE
5950-00-079-2254INTERCHANGEABLE
TRANSFORMER,POWER
402460
5325-00-285-2014INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1201-535-Z3C
3820-00-354-5480INTERCHANGEABLE
BLOCK
212-105
3030-00-528-4521INTERCHANGEABLE
BELT,V
5360-01-045-3383INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
H119
5330-01-182-3976INTERCHANGEABLE
SEAL KIT,PUMP
5950-01-396-5539INTERCHANGEABLE
TRANSFORMER,CURRENT

Frequently Asked Questions

What is NSN 5950-00-263-3671?

NSN 5950-00-263-3671 is a Transformer,power, manufactured by United Transformer Corp Sub of Opt Industries Inc, classified under FSC 5950 (No Item Name Available). Status: active.

What are the part numbers for NSN 5950-00-263-3671?

NSN 5950-00-263-3671 has 5 cross-referenced part numbers: TF4S03AH/TYPEH-119 (United Transformer Corp Sub of Opt Industries Inc), 10-5100ITEM18 (L3 Technologies, Inc.), TF4S03AH/TYPEH-119 (Magnetika Inc), H119 (United Transformer Corp Sub of Opt Industries Inc), H119 (Magnetika Inc).

What NSN replaces 5950-00-263-3671?

There are 8 known substitutes for 5950-00-263-3671: 4920-00-015-4306, 5950-00-079-2254, 5325-00-285-2014 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TF4S03AH/TYPEH-119?

Key specifications for TF4S03AH/TYPEH-119: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Reliability Indicator: NOT ESTABLISHED; Criticality Code Justification: ZZZY. 3 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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