NSN 3950-01-448-5566 · NIIN 014485566 · Part number 2B1-05769
Lake Shore Systems, Inc. · FSC 3950 — Winches, Hoists, Cranes, and Derricks · FSG 39 — Materials Handling Equipment · CAGE 34712
Government record, cited
NSN 3950-01-448-5566 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-448-5566. Manufacturer of record part number: 2B1-05769.
Also searched as3950-01-448-5566 ·
3950014485566 ·
NIIN 014485566 ·
01-448-5566 ·
FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 34712 · 2B1-05769 · 2E3-00295 IT NO 18 · 2E3-00295
General Characteristics Item Description: ROUND SHAPED, 6 HOLES DRILLED 9/16 IN. DIA. EQUALLY SPACED APART, 2HOLES AT 180 DEGREES APART DRILLED 27/64 DIA. AND TAPPED 1/2-13 NC AND 2 HOLES IN CENTER 1/8 NPT IN
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Lake Shore Systems, Inc.
Identification
NSN: 3950-01-448-5566
NIIN: 014485566
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: 2B1-05769
Manufacturer: Lake Shore Systems, Inc.
General Description
The Retainer,bearing, cataloged under National Stock Number 3950-01-448-5566, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3950-01-448-5566
Primary Part Number
2B1-05769
Item Name
Retainer,bearing
FSC / FSG
3950 / 39 — Winches, Hoists, Cranes, and Derricks
Manufacturer
Lake Shore Systems, Inc.
Status
ACTIVE
Overall Diameter
10.250 INCHES NOMINAL IN
General Characteristics Item Description
ROUND SHAPED, 6 HOLES DRILLED 9/16 IN. DIA. EQUALLY SPACED APART, 2HOLES AT 180 DEGREES APART DRILLED 27/64 DIA. AND TAPPED 1/2-13 NC AND 2 HOLES IN CENTER 1/8 NPT IN
Material
STEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3950-01-448-57072C1-04752POSSIBLE MATCH
RETAINER,BEARING
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-449-00582D1-03953POSSIBLE MATCH
GEARSHAFT,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-449-07072C1-04750POSSIBLE MATCH
GEARSHAFT,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-449-07502C1-04746POSSIBLE MATCH
GEARSHAFT,HELICAL
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-449-07702C1-04748POSSIBLE MATCH
GEARSHAFT,SPUR
Possible match (shared part number)Lake Shore Systems, Inc.
3040-01-449-17042C1-04751POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Lake Shore Systems, Inc.
3110-01-500-27332B1-05766POSSIBLE MATCH
PLATE,RETAINING,BEARING
Possible match (shared part number)Lake Shore Systems, Inc.
NSN 3950-01-448-5566 is a Retainer,bearing, manufactured by Lake Shore Systems, Inc., classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What part numbers are listed for NSN 3950-01-448-5566?
NSN 3950-01-448-5566 has 2 manufacturer part numbers on file: 2B1-05769 (Lake Shore Systems, Inc.), 2E3-00295 IT NO 18 (Lake Shore Systems, Inc.).
What NSN replaces 3950-01-448-5566?
7 possible matches (shared part number, not a government interchangeability claim): 3950-01-448-5707, 3040-01-449-0058, 3040-01-449-0707. Verify interchangeability with system specifications before substitution.
What are the specifications of 2B1-05769?
Key specifications for 2B1-05769: Overall Diameter: 10.250 INCHES NOMINAL IN; General Characteristics Item Description: ROUND SHAPED, 6 HOLES DRILLED 9/16 IN. DIA. EQUALLY SPACED APART, 2HOLES AT 180 DEGREES APART DRILLED 27/64 DIA. AND TAPPED 1/2-13 NC AND 2 HOLES IN CENTER 1/8 NPT IN; Overall Length: 0.753 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3950-01-448-5566 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.