NSN 3950-01-448-5537 · NIIN 014485537 · Part number 2B1-05767
Lake Shore Systems, Inc. · FSC 3950 — Winches, Hoists, Cranes, and Derricks · FSG 39 — Materials Handling Equipment · CAGE 34712
Government record, cited
NSN 3950-01-448-5537 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-448-5537. Manufacturer of record part number: 2B1-05767.
Also searched as3950-01-448-5537 ·
3950014485537 ·
NIIN 014485537 ·
01-448-5537 ·
FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 34712 · 2B1-05767 · 2E3-00295 · 2E3-00295 IT NO 16
General Characteristics Item Description: ROUND SHAPED, 4 HOLES DRILLED 9/16 IN. DIA. EQUALLY APART, 2 HOLES AT 180 DEGREES APART DRILLED 27/64 IN. DIA. 1/2-13 NC THROUGH, 2 HOLES IN CENTER TAPPED 1/8 NPT. IN
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Lake Shore Systems, Inc.
Identification
NSN: 3950-01-448-5537
NIIN: 014485537
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: 2B1-05767
Manufacturer: Lake Shore Systems, Inc.
General Description
The Retainer,bearing, cataloged under National Stock Number 3950-01-448-5537, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
3950-01-448-5537
Primary Part Number
2B1-05767
Item Name
Retainer,bearing
FSC / FSG
3950 / 39 — Winches, Hoists, Cranes, and Derricks
Manufacturer
Lake Shore Systems, Inc.
Status
ACTIVE
Overall Diameter
7.250 INCHES NOMINAL IN
General Characteristics Item Description
ROUND SHAPED, 4 HOLES DRILLED 9/16 IN. DIA. EQUALLY APART, 2 HOLES AT 180 DEGREES APART DRILLED 27/64 IN. DIA. 1/2-13 NC THROUGH, 2 HOLES IN CENTER TAPPED 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3950-01-448-55662B1-05769POSSIBLE MATCH
RETAINER,BEARING
Possible match (shared part number)Lake Shore Systems, Inc.
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 3950-01-448-5537 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 3950-01-448-5537?
NSN 3950-01-448-5537 has 2 manufacturer part numbers on file: 2B1-05767 (Lake Shore Systems, Inc.), 2E3-00295 IT NO 16 (Lake Shore Systems, Inc.).
What NSN replaces 3950-01-448-5537?
8 possible matches (shared part number, not a government interchangeability claim): 3950-01-448-5566, 3950-01-448-5707, 3040-01-449-0058. Verify interchangeability with system specifications before substitution.
What are the specifications of 2B1-05767?
Key specifications for 2B1-05767: Overall Diameter: 7.250 INCHES NOMINAL IN; General Characteristics Item Description: ROUND SHAPED, 4 HOLES DRILLED 9/16 IN. DIA. EQUALLY APART, 2 HOLES AT 180 DEGREES APART DRILLED 27/64 IN. DIA. 1/2-13 NC THROUGH, 2 HOLES IN CENTER TAPPED 1/8 NPT. IN; Overall Length: 0.719 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 3 specifications are documented in the U.S. Government catalog.
Is NSN 3950-01-448-5537 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.