The Transformer,power, cataloged under National Stock Number 5950-01-051-1878, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-01-051-1878 |
| Primary Part Number | LO2377 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 SINGLE GROUP |
| Inclosure Type | FULLY INCLOSED |
| Body Outside Diameter | 1.344 INCHES MAXIMUM IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED BUSHING SINGLE GROUP |
| Criticality Code Justification | ZZZY |
| Winding Function and Quantity | 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT |
| Nominal Thread Size | 0.190 INCHES SINGLE GROUP IN |
| Body Length | 1.125 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 17.0 KILOHERTZ NOMINAL SINGLE COMPONENT |
| Thread Quantity Per Inch | 32 SINGLE GROUP |
| Winding Operating Voltage | 1.36 AC KILOVOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY |
| Winding Operating Voltage | 68.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Terminal Type and Quantity | 5 TURRET |
| Thread Series Designator | UNF SINGLE GROUP |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| LO2377 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 121275 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5950-01-051-1878 is a Transformer,power, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-01-051-1878 has 1 manufacturer part number on file: LO2377 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
3 possible matches (shared part number, not a government interchangeability claim): 3020-01-238-5779, 5950-01-248-9331, 5950-01-706-0386. Verify interchangeability with system specifications before substitution.
Key specifications for LO2377: Mounting Facility Quantity: 1 SINGLE GROUP; Inclosure Type: FULLY INCLOSED; Body Outside Diameter: 1.344 INCHES MAXIMUM IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 17 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5950-01-051-1878 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.