NSN 5950-00-571-6957 · NIIN 005716957 · Part number 42-978
Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated · FSC 5950 — Coils and Transformers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 1HAR9
Government record, cited
NSN 5950-00-571-6957 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-571-6957. Manufacturer of record part number: 42-978.
Also searched as5950-00-571-6957 ·
5950005716957 ·
NIIN 005716957 ·
00-571-6957 ·
FSC 5950 Coils and Transformers · CAGE 1HAR9 · 42-978
Manufacturer of record: Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
Identification
NSN: 5950-00-571-6957
NIIN: 005716957
FSC: 5950 — Coils and Transformers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 42-978
Manufacturer: Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
General Description
The Coil,electrical, cataloged under National Stock Number 5950-00-571-6957, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
5950-00-571-6957
Primary Part Number
42-978
Item Name
Coil,electrical
FSC / FSG
5950 / 59 — Coils and Transformers
Manufacturer
Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
Status
ACTIVE
Inclosure Type
FULLY INCLOSED
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5962-01-089-144642978POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
Possible match (shared part number)Raytheon Company Div Rmd Strategic
5342-01-172-203742978POSSIBLE MATCH
CONTROL ROD
Possible match (shared part number)Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
5305-01-180-473642978POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)Electro-Tec Corp Dba Moog Inc., Components Group
2910-01-648-132642978POSSIBLE MATCH
MODIFICATION KIT,ENGINE ACCESSOR
Possible match (shared part number)Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA)
Reference documents
Reference
Meaning
42-978
5/9Secondary reference
Automatic Switch Company Dba Asco
Related Parts
5962-01-089-1446POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
42978
5342-01-172-2037POSSIBLE MATCH
CONTROL ROD
42978
5305-01-180-4736POSSIBLE MATCH
SCREW,MACHINE
42978
2910-01-648-1326POSSIBLE MATCH
MODIFICATION KIT,ENGINE ACCESSOR
42978
Frequently Asked Questions
What is NSN 5950-00-571-6957?
NSN 5950-00-571-6957 is a Coil,electrical, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 5950, Coils and Transformers. Status: active.
What part numbers are listed for NSN 5950-00-571-6957?
NSN 5950-00-571-6957 has 1 manufacturer part number on file: 42-978 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated).
What NSN replaces 5950-00-571-6957?
4 possible matches (shared part number, not a government interchangeability claim): 5962-01-089-1446, 5342-01-172-2037, 5305-01-180-4736. Verify interchangeability with system specifications before substitution.
What are the specifications of 42-978?
Key specifications for 42-978: Inclosure Type: FULLY INCLOSED. 1 specification is documented in the U.S. Government catalog.
Is NSN 5950-00-571-6957 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.