NSN 1680-01-154-7120 · NIIN 011547120 · Part number 145E4021-42
The Boeing Company · FSC 1680 — Miscellaneous Aircraft Accessories and Components · FSG 16 — Aircraft Components and Accessories · CAGE 77272
Government record, cited
NSN 1680-01-154-7120 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-154-7120. Manufacturer of record part number: 145E4021-42.
Also searched as1680-01-154-7120 ·
1680011547120 ·
NIIN 011547120 ·
01-154-7120 ·
FSC 1680 Miscellaneous Aircraft Accessories and Components · CAGE 77272 · 145E4021-42 · 145E4021-17
Nearby stock numbers← 1680-01-154-7117
·
1680-01-154-7126 Bell Crank →
Features
Blanket,sound Controlling,aircra — FSC 1680
Supplementary Features: CH-47, ROTARY WING AIRCRAFT IS THE END ITEM
2 manufacturer part numbers on file
Manufacturer of record: The Boeing Company
Identification
NSN: 1680-01-154-7120
NIIN: 011547120
FSC: 1680 — Miscellaneous Aircraft Accessories and Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: 145E4021-42
Manufacturer: The Boeing Company
General Description
The Blanket,sound Controlling,aircra, cataloged under National Stock Number 1680-01-154-7120, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company. 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.
Technical Specifications
Parameter
Value
NSN
1680-01-154-7120
Primary Part Number
145E4021-42
Item Name
Blanket,sound Controlling,aircra
FSC / FSG
1680 / 16 — Miscellaneous Aircraft Accessories and Components
Other items in FSC 1680 — Miscellaneous Aircraft Accessories and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1680-00-001-1736
DUCT ASSEMBLY,BRANCHED
1680-00-003-3721
1680-00-003-3721 · Item name not on file
1680-00-009-3782
PISTON,EJECTOR,INNER
1680-00-009-6180
1680-00-009-6180 · Item name not on file
1680-00-475-0002
TIP,RUBBER CONTROL
1680-00-696-6170
ADAPTER,SCREW END A
1680-00-867-7158
COVER,GEARCASE
1680-00-885-0923
KNOB ASSY,LANDING G
Frequently Asked Questions
What is NSN 1680-01-154-7120?
NSN 1680-01-154-7120 is a Blanket,sound Controlling,aircra, manufactured by The Boeing Company, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
What part numbers are listed for NSN 1680-01-154-7120?
NSN 1680-01-154-7120 has 2 manufacturer part numbers on file: 145E4021-17 (The Boeing Company), 145E4021-42 (The Boeing Company).
What are the specifications of 145E4021-42?
Key specifications for 145E4021-42: Supplementary Features: CH-47, ROTARY WING AIRCRAFT IS THE END ITEM. 1 specification is documented in the U.S. Government catalog.
Is NSN 1680-01-154-7120 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.