NSN 6620-00-321-3579 — this item is cataloged by the U.S. Government under National Stock Number 6620-00-321-3579. Manufacturer of record part number: 738774-1.
Also searched as6620-00-321-3579 ·
6620003213579 ·
NIIN 003213579 ·
00-321-3579 ·
FSC 6620 Engine Instruments · CAGE 55972 · 738774-1
General Characteristics Item Description: CONSISTING OF 1 PART NO. 738773-1 PINION,1 PART NO. 738777-2 GEAR
1 manufacturer part number on file
Manufacturer of record: Honeywell Intl Inc Defense Avionics Systems
Identification
NSN: 6620-00-321-3579
NIIN: 003213579
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 738774-1
Manufacturer: Honeywell Intl Inc Defense Avionics Systems
General Description
The Gear and Pinion Assembly, cataloged under National Stock Number 6620-00-321-3579, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 1 specification, 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.
Technical Specifications
Parameter
Value
NSN
6620-00-321-3579
Primary Part Number
738774-1
Item Name
Gear and Pinion Assembly
FSC / FSG
6620 / 66 — Engine Instruments
Manufacturer
Honeywell Intl Inc Defense Avionics Systems
Status
ACTIVE
General Characteristics Item Description
CONSISTING OF 1 PART NO. 738773-1 PINION,1 PART NO. 738777-2 GEAR
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6620-00-000-0124
6620-00-000-0124 · Item name not on file
6620-00-000-0548
6620-00-000-0548 · Item name not on file
6620-00-001-1398
STARTER AND SHAFT ASSEMBLY
6620-00-001-4552
6620-00-001-4552 · Item name not on file
6620-00-001-9331
6620-00-001-9331 · Item name not on file
6620-00-001-9332
6620-00-001-9332 · Item name not on file
6620-00-001-9333
6620-00-001-9333 · Item name not on file
6620-00-001-9334
6620-00-001-9334 · Item name not on file
Frequently Asked Questions
What is NSN 6620-00-321-3579?
NSN 6620-00-321-3579 is a Gear and Pinion Assembly, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 6620, Engine Instruments. Status: active.
What part numbers are listed for NSN 6620-00-321-3579?
NSN 6620-00-321-3579 has 1 manufacturer part number on file: 738774-1 (Honeywell Intl Inc Defense Avionics Systems).
What are the specifications of 738774-1?
Key specifications for 738774-1: General Characteristics Item Description: CONSISTING OF 1 PART NO. 738773-1 PINION,1 PART NO. 738777-2 GEAR; End Item Identification: 6620-00-263-3419 INDICATOR,RATE OF FLOW. 1 specification is documented in the U.S. Government catalog.
Is NSN 6620-00-321-3579 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.