PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DAA7278G306-001Fixture,aircraft Maintenance

Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems · NSN 4920-01-288-5381 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-288-5381 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-288-5381. Primary manufacturer part number: DAA7278G306-001.
Features
  • Fixture,aircraft Maintenance — FSC 4920
  • Functional Description: LIGHT AFT DUCT ASSEMBLY
  • Reference Data and Literature: TO 1B-2A-4-2 A
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-01-288-5381, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-288-5381
Primary Part NumberDAA7278G306-001
Item NameFixture,aircraft Maintenance
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
StatusACTIVE
Functional DescriptionLIGHT AFT DUCT ASSEMBLY
Reference Data and LiteratureTO 1B-2A-4-2 A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-168-0417 INTERCHANGEABLE
Test Set,synchro
3110-00-198-0975 INTERCHANGEABLE
Bearing,ball,annular
5930-00-245-9643SS4 INTERCHANGEABLE
Switch,slide
Stackpole Corp the
5935-00-280-2834 INTERCHANGEABLE
Connector,plug,electrical
5330-00-322-1563SS4 INTERCHANGEABLE
Packing,preformed
Lukens General Industries Inc Simplicity Engineering Div
5365-00-468-1012B770-346 INTERCHANGEABLE
Bushing,lever
Circor Naval Solutions Llc Dba Warren Pumps
5345-00-576-9193SS4 INTERCHANGEABLE
Stone,sharpening
Saint-Gobain Abrasives Inc
5315-00-811-9214A1-13 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
5340-00-951-0038 INTERCHANGEABLE
Handle,bow
4235-01-416-8981SS-4 INTERCHANGEABLE
Sorbent,hazardous Material
Sphag Sorb Inc
Cross-Reference Index
Part NumberManufacturer
DAA7278G306-001 General Electric Company (USA)
SS-4 General Electric Company (USA)
DAA7278G306-001 PRIMARY Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
Related Parts
6625-00-168-0417INTERCHANGEABLE
TEST SET,SYNCHRO
3110-00-198-0975INTERCHANGEABLE
BEARING,BALL,ANNULAR
5930-00-245-9643INTERCHANGEABLE
SWITCH,SLIDE
SS4
5935-00-280-2834INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5330-00-322-1563INTERCHANGEABLE
PACKING,PREFORMED
SS4
5365-00-468-1012INTERCHANGEABLE
BUSHING,LEVER
B770-346
5345-00-576-9193INTERCHANGEABLE
STONE,SHARPENING
SS4
5315-00-811-9214INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A1-13
5340-00-951-0038INTERCHANGEABLE
HANDLE,BOW
4235-01-416-8981INTERCHANGEABLE
SORBENT,HAZARDOUS MATERIAL
SS-4
6520-01-441-0067INTERCHANGEABLE
STONE,SHARPENING
SS4
5325-01-515-3995INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 4920-01-288-5381?

NSN 4920-01-288-5381 is a Fixture,aircraft Maintenance, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-288-5381?

NSN 4920-01-288-5381 has 3 cross-referenced part numbers: DAA7278G306-001 (General Electric Company), SS-4 (General Electric Company), DAA7278G306-001 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).

What NSN replaces 4920-01-288-5381?

There are 12 known substitutes for 4920-01-288-5381: 6625-00-168-0417, 3110-00-198-0975, 5930-00-245-9643 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DAA7278G306-001?

Key specifications for DAA7278G306-001: Special Features: ENGINE EXHAUST MAINTENANCE FIXTURE; LIGHT AFT DUCT ASSEMBLY; Functional Description: LIGHT AFT DUCT ASSEMBLY; Reference Data and Literature: TO 1B-2A-4-2 A; End Item Identification: B-2 ACFT. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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