NSN 3020-01-379-2118 · NIIN 013792118 · Part number P23-1-28
Roller Bearing Co of America, Inc Div Pic Design · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 00141
Government record, cited
NSN 3020-01-379-2118 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-379-2118. Manufacturer of record part number: P23-1-28.
Also searched as3020-01-379-2118 ·
3020013792118 ·
NIIN 013792118 ·
01-379-2118 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 00141 · P23-1-28 · 561-6404325-156 · 211059549 · 6404325
Nominal Distance Between Body Face and Protruding Hub End: 0.280 INCHES FIRST END IN
Style Designator: PROTRUDING HUB
Pitch Diameter: 1.1666 INCHES NOMINAL IN
Identification
NSN: 3020-01-379-2118
NIIN: 013792118
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: P23-1-28
Manufacturer: Roller Bearing Co of America, Inc Div Pic Design
General Description
The Gear,antibacklash,spur, cataloged under National Stock Number 3020-01-379-2118, 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 Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-379-2118
Primary Part Number
P23-1-28
Item Name
Gear,antibacklash,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Roller Bearing Co of America, Inc Div Pic Design
Status
ACTIVE
Bore Nominal Diameter
0.1873 INCHES BOTH ENDS IN
Hub Nominal Diameter
0.375 INCHES FIRST END IN
Teeth Quantity
28
Bore Style
PLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
0.280 INCHES FIRST END IN
Style Designator
PROTRUDING HUB
Pitch Diameter
1.1666 INCHES NOMINAL IN
Hub Style Designator
PINNED FIRST END
Nominal Outside Diameter
1.250 INCHES IN
Surface Treatment
PASSIVATE OVERALL
Pressure Angle
20.0000 DEGREES
Material
STEEL COMP 303 OVERALL
Face Nominal Width
0.187 INCHES IN
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3020-01-379-2120561-6404325-145POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)Naval Sea Systems Command
3020-01-379-3064POSSIBLE MATCH
SPROCKET WHEEL
Possible match (shared part number)
3020-01-409-1251POSSIBLE MATCH
CHAIN,CABLE
Possible match (shared part number)
3020-01-409-1258211064942POSSIBLE MATCH
CHAIN,CABLE
Possible match (shared part number)Naval Sea Systems Command
2040-01-409-1580561-6404325-11POSSIBLE MATCH
SHAFT,RUDDER
Possible match (shared part number)Naval Sea Systems Command
2030-01-409-1584211060310POSSIBLE MATCH
STEERING WHEEL
Possible match (shared part number)Naval Sea Systems Command
3120-01-411-6504561-6404325-58POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Kahr Bearings
4730-01-422-9457561-6404325-165POSSIBLE MATCH
ADAPTER,STRAIGHT,FLANGE TO FLANG
Possible match (shared part number)Naval Sea Systems Command
2010-01-423-2431167-6404610-94POSSIBLE MATCH
ADAPTER,STERRING
Possible match (shared part number)Naval Sea Systems Command
2010-01-423-2437211060296POSSIBLE MATCH
HOUSING COLUMN STEERING
Possible match (shared part number)Naval Sea Systems Command
NSN 3020-01-379-2118 is a Gear,antibacklash,spur, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-379-2118?
NSN 3020-01-379-2118 has 3 manufacturer part numbers on file: P23-1-28 (Roller Bearing Co of America, Inc Div Pic Design), 561-6404325-156 (Naval Sea Systems Command), 211059549 (Naval Sea Systems Command).
What NSN replaces 3020-01-379-2118?
11 possible matches (shared part number, not a government interchangeability claim): 3020-01-379-2120, 3020-01-379-3064, 3020-01-409-1251. Verify interchangeability with system specifications before substitution.
What are the specifications of P23-1-28?
Key specifications for P23-1-28: Bore Nominal Diameter: 0.1873 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.375 INCHES FIRST END IN; Teeth Quantity: 28; Bore Style: PLAIN BOTH ENDS. 13 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-379-2118 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.