NSN 5950-00-648-6285 · NIIN 006486285 · Part number 20571
Freed Transformer Co · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 73386
Government record, cited
NSN 5950-00-648-6285 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-6285. Manufacturer of record part number: 20571.
Also searched as5950-00-648-6285 ·
5950006486285 ·
NIIN 006486285 ·
00-648-6285 ·
FSC 5950 Coils and Transformers · CAGE 73386 · 20571
Center to Center Distance Between Mounting Facilities Parallel to Length: 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Method: THREADED STUD(S) SINGLE GROUP
Body Width: 3.750 INCHES NOMINAL IN
Body Height: 5.000 INCHES NOMINAL IN
Identification
NSN: 5950-00-648-6285
NIIN: 006486285
FSC: 5950 — Coils and Transformers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 20571
Manufacturer: Freed Transformer Co
General Description
The Transformer,power, cataloged under National Stock Number 5950-00-648-6285, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Freed Transformer Co. Government technical data includes 14 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. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5950-00-648-6285
Primary Part Number
20571
Item Name
Transformer,power
FSC / FSG
5950 / 59 — Coils and Transformers
Manufacturer
Freed Transformer Co
Status
ACTIVE
Mounting Facility Quantity
4 SINGLE GROUP
Inclosure Type
HERMETICALLY SEALED
Center to Center Distance Between Mounting Facilities Parallel to Length
3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Input-Output Phase Relationship
SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Method
THREADED STUD(S) SINGLE GROUP
Body Width
3.750 INCHES NOMINAL IN
Body Height
5.000 INCHES NOMINAL IN
Winding Function and Quantity
1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Winding Shielding Method
INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Length
4.375 INCHES NOMINAL IN
Reliability Indicator
NOT ESTABLISHED
Frequency Rating
350.0 HERTZ MINIMUM AND 450.0 HERTZ MAXIMUM SINGLE COMPONENT
Center to Center Distance Between Mounting Facilities Parallel to Width
3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Terminal Type and Quantity
13 STANDOFF, SOLDER LUG
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-00-793-6828N20571POSSIBLE MATCH
SEAT,HELICAL COMPRESSION SPRING
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
6130-00-927-1546CF00011-5-31POSSIBLE MATCH
CONVERTER,FREQUENCY,ELECTRONIC
Possible match (shared part number)Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
1040-00-936-928854A50D27POSSIBLE MATCH
BODY,VALVE
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2910-01-020-710520571POSSIBLE MATCH
HEAD-ROTOR ASSEMBLY
Possible match (shared part number)Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5331-01-126-081620571POSSIBLE MATCH
O-RING
Possible match (shared part number)Taylor Enterprises of VA, Llc Dba Taylor Freezer Sales Company Div Taylor Enterprises of VA Llc D/b/a Taylor Freezer Sales Co
5306-01-236-101320-571POSSIBLE MATCH
BOLT,SHOULDER
Possible match (shared part number)Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
NSN 5950-00-648-6285 is a Transformer,power, manufactured by Freed Transformer Co, classified under FSC 5950, Coils and Transformers. Status: active.
What part numbers are listed for NSN 5950-00-648-6285?
NSN 5950-00-648-6285 has 1 manufacturer part number on file: 20571 (Freed Transformer Co).
What NSN replaces 5950-00-648-6285?
7 possible matches (shared part number, not a government interchangeability claim): 5340-00-793-6828, 6130-00-927-1546, 1040-00-936-9288. Verify interchangeability with system specifications before substitution.
What are the specifications of 20571?
Key specifications for 20571: Mounting Facility Quantity: 4 SINGLE GROUP; Inclosure Type: HERMETICALLY SEALED; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN; Input-Output Phase Relationship: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT. 14 specifications are documented in the U.S. Government catalog.
Is NSN 5950-00-648-6285 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.