NSN 4920-01-079-8657 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-079-8657. Manufacturer of record part number: 25M21A3.
Also searched as4920-01-079-8657 ·
4920010798657 ·
NIIN 010798657 ·
01-079-8657 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE K0624 · 25M21A3 · 7107-00011
Nearby stock numbers← 4920-01-079-8320 Test Set Subassembly, Aircraft Co
·
4920-01-079-8664 Plate, Rear Compressor →
Features
Coil Assembly,deflection — FSC 4920
General Characteristics Item Description: 2.483 IN. O/A DIA,1.357 IN. W IN
2 manufacturer part numbers on file
Manufacturer of record: Muirhead Aerospace Ltd
Identification
NSN: 4920-01-079-8657
NIIN: 010798657
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 25M21A3
Manufacturer: Muirhead Aerospace Ltd
General Description
The Coil Assembly,deflection, cataloged under National Stock Number 4920-01-079-8657, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Muirhead Aerospace Ltd. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
4920-00-001-1405
4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file
Frequently Asked Questions
What is NSN 4920-01-079-8657?
NSN 4920-01-079-8657 is a Coil Assembly,deflection, manufactured by Muirhead Aerospace Ltd, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-01-079-8657?
NSN 4920-01-079-8657 has 2 manufacturer part numbers on file: 25M21A3 (Muirhead Aerospace Ltd), 7107-00011 (Bae Systems (operations) Limited).
What are the specifications of 25M21A3?
Key specifications for 25M21A3: General Characteristics Item Description: 2.483 IN. O/A DIA,1.357 IN. W IN; End Item Identification: AIRCRAFT MODEL A-7E. 1 specification is documented in the U.S. Government catalog.
Is NSN 4920-01-079-8657 hazardous material?
No hazard code in the DLA record (HMIC N). 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.