NSN 3130-01-666-1678 · NIIN 016661678 · Part number 3958AS946-1
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 3130 — Bearings, Mounted · FSG 31 — Bearings · CAGE 30003
Government record, cited
NSN 3130-01-666-1678 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-666-1678. Manufacturer of record part number: 3958AS946-1.
Also searched as3130-01-666-1678 ·
3130016661678 ·
NIIN 016661678 ·
01-666-1678 ·
FSC 3130 Bearings, Mounted · CAGE 30003 · 3958AS946-1
Nearby stock numbers← 3130-01-665-7489 Bearing Unit, Plain
·
3130-01-666-1711 Housing, Bearing Unit →
3130-01-666-1678 — Bearings, Mounted
Features
Housing,bearing Unit — FSC 3130
1 manufacturer part number on file
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 3130-01-666-1678
NIIN: 016661678
FSC: 3130 — Bearings, Mounted
FSG: 31 — Bearings
Primary part number: 3958AS946-1
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Housing,bearing Unit, cataloged under National Stock Number 3130-01-666-1678, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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
3130-01-666-1678
Primary Part Number
3958AS946-1
Item Name
Housing,bearing Unit
FSC / FSG
3130 / 31 — Bearings, Mounted
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 3130 — Bearings, Mounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3130-00-001-5118
3130-00-001-5118 · Item name not on file
3130-00-001-5137
BEARING UNIT,BALL
3130-00-001-6585
3130-00-001-6585 · Item name not on file
3130-00-003-0422
3130-00-003-0422 · Item name not on file
3130-00-003-0455
3130-00-003-0455 · Item name not on file
3130-00-003-0794
BEARING UNIT,BALL
3130-00-003-2802
BEARING UNIT,BALL
3130-00-003-9535
3130-00-003-9535 · Item name not on file
Frequently Asked Questions
What is NSN 3130-01-666-1678?
NSN 3130-01-666-1678 is a Housing,bearing Unit, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3130, Bearings, Mounted. Status: active.
What part numbers are listed for NSN 3130-01-666-1678?
NSN 3130-01-666-1678 has 1 manufacturer part number on file: 3958AS946-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 3958AS946-1?
Key specifications for 3958AS946-1: End Item Identification: AV8B AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3130-01-666-1678 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 3130-01-666-1678?
NSN 3130-01-666-1678 has DEMIL Code Q. 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.