NSN 3020-01-026-8189 · NIIN 010268189 · Part number 4902335
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 30003
Government record, cited
NSN 3020-01-026-8189 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-026-8189. Manufacturer of record part number: 4902335.
Also searched as3020-01-026-8189 ·
3020010268189 ·
NIIN 010268189 ·
01-026-8189 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 30003 · 4902335
General Characteristics Item Description: STEEL,MIL-S-46850,TY III,GRADE 300,2.947 IN. LG,2.496 IN. W,0.679 IN. THK IN
1 manufacturer part number on file
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 3020-01-026-8189
NIIN: 010268189
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 4902335
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Lock,breechblock, cataloged under National Stock Number 3020-01-026-8189, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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
3020-01-026-8189
Primary Part Number
4902335
Item Name
Lock,breechblock
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Status
ACTIVE
General Characteristics Item Description
STEEL,MIL-S-46850,TY III,GRADE 300,2.947 IN. LG,2.496 IN. W,0.679 IN. THK IN
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file
Frequently Asked Questions
What is NSN 3020-01-026-8189?
NSN 3020-01-026-8189 is a Lock,breechblock, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-026-8189?
NSN 3020-01-026-8189 has 1 manufacturer part number on file: 4902335 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 4902335?
Key specifications for 4902335: General Characteristics Item Description: STEEL,MIL-S-46850,TY III,GRADE 300,2.947 IN. LG,2.496 IN. W,0.679 IN. THK IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 3020-01-026-8189 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.
What is the DEMIL code for NSN 3020-01-026-8189?
NSN 3020-01-026-8189 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.