NSN 4920-01-142-5627 · NIIN 011425627 · Part number R-TBD-91
The Boeing Company Div Legacy Am&m · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 43999
Government record, cited
NSN 4920-01-142-5627 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-142-5627. Manufacturer of record part number: R-TBD-91.
Also searched as4920-01-142-5627 ·
4920011425627 ·
NIIN 011425627 ·
01-142-5627 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 43999 · R-TBD-91
General Characteristics Item Description: CRES SHEET METAL
Functional Description: USED TO CONNECT THE TYPE HDM/13M HEATER OR AIR CONDITIONER DUCT TO THE INLET OF THE MA-1 PURGE AIR BLOWER
1 manufacturer part number on file
Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
NSN: 4920-01-142-5627
NIIN: 011425627
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: R-TBD-91
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Plenum Chamber, cataloged under National Stock Number 4920-01-142-5627, 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 The Boeing Company Div Legacy Am&m. Government technical data includes 2 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. Current acquisition status: Active.
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Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4920-00-001-1744 · Item name not on file
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4920-00-001-1745 · Item name not on file
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4920-00-001-1746 · Item name not on file
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4920-00-001-1747 · Item name not on file
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4920-00-001-1748 · Item name not on file
Frequently Asked Questions
What is NSN 4920-01-142-5627?
NSN 4920-01-142-5627 is a Plenum Chamber, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-01-142-5627?
NSN 4920-01-142-5627 has 1 manufacturer part number on file: R-TBD-91 (The Boeing Company Div Legacy Am&m).
What are the specifications of R-TBD-91?
Key specifications for R-TBD-91: Overall Height: 16.000 INCHES NOMINAL IN; General Characteristics Item Description: CRES SHEET METAL; Overall Length: 18.000 INCHES NOMINAL IN; Overall Width: 13.000 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4920-01-142-5627 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.