NSN 4920-00-494-9345 · NIIN 004949345 · Part number 5D278-000
Grimes Aerospace Company · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 72914
Government record, cited
NSN 4920-00-494-9345 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-494-9345. Manufacturer of record part number: 5D278-000.
Also searched as4920-00-494-9345 ·
4920004949345 ·
NIIN 004949345 ·
00-494-9345 ·
FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 72914 · 5D278-000
General Characteristics Item Description: ALUMINUM,18.62 IN. H,35.19 IN. W,43.50 IN. LG IN
2 manufacturer part numbers on file
Manufacturer of record: Grimes Aerospace Company
Identification
NSN: 4920-00-494-9345
NIIN: 004949345
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 5D278-000
Manufacturer: Grimes Aerospace Company
General Description
The Transition Assembly, cataloged under National Stock Number 4920-00-494-9345, 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 Grimes Aerospace 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.
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 4920-00-494-9345?
NSN 4920-00-494-9345 is a Transition Assembly, manufactured by Grimes Aerospace Company, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
What part numbers are listed for NSN 4920-00-494-9345?
NSN 4920-00-494-9345 has 2 manufacturer part numbers on file: 5D278-000 (Standard-Thomson Corporation), 5D278-000 (Grimes Aerospace Company).
What are the specifications of 5D278-000?
Key specifications for 5D278-000: General Characteristics Item Description: ALUMINUM,18.62 IN. H,35.19 IN. W,43.50 IN. LG IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4920-00-494-9345 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.