NSN 3020-00-288-2291 · NIIN 002882291 · Part number SCB18888
S. W. Electronics & Manufacturing Corp. Dba Swemco · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 23302
Government record, cited
NSN 3020-00-288-2291 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-288-2291. Manufacturer of record part number: SCB18888.
Also searched as3020-00-288-2291 ·
3020002882291 ·
NIIN 002882291 ·
00-288-2291 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 23302 · SCB18888 · 66575-36 · 21137
Mounting Hole Type and Quantity: 2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
Identification
NSN: 3020-00-288-2291
NIIN: 002882291
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: SCB18888
Manufacturer: S. W. Electronics & Manufacturing Corp. Dba Swemco
General Description
The Gear,spur, cataloged under National Stock Number 3020-00-288-2291, 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 S. W. Electronics & Manufacturing Corp. Dba Swemco. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
3020-00-288-2291
Primary Part Number
SCB18888
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
S. W. Electronics & Manufacturing Corp. Dba Swemco
Status
ACTIVE
Bore Nominal Diameter
0.250 INCHES BOTH ENDS IN
Hub Nominal Diameter
0.500 INCHES FIRST END IN
Teeth Quantity
60
Body Style
PLAIN, SOLID
Bore Style
PLAIN BOTH ENDS
Mounting Hole Type and Quantity
2 THREADED TRANSVERSELY THROUGH HUB FIRST END
Nominal Distance Between Body Face and Protruding Hub End
0.250 INCHES FIRST END IN
Nominal Overall Length
0.375 INCHES IN
Style Designator
PROTRUDING HUB
Pitch Diameter
1.2500 INCHES NOMINAL IN
Tooth Form
STANDARD
Hub Style Designator
PLAIN FIRST END
Mounting Hole Nominal Thread Size
0.125 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Nominal Outside Diameter
1.292 INCHES IN
Mounting Hole Thread Quantity Per Inch
40 TRANSVERSELY THROUGH HUB FIRST END
Surface Treatment
NICKEL OVERALL
Pressure Angle
14.5000 DEGREES
Material
COPPER ALLOY OVERALL
Mounting Hole Thread Series Designator
UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Attachment Method
MOUNTING HOLE
Face Nominal Width
0.125 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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-00-821-432821137POSSIBLE MATCH
PARTS KIT,VALVE
Possible match (shared part number)Moog Military Aircraft Llc
5998-01-095-935021137POSSIBLE MATCH
PRINTED WIRING BOARD
Possible match (shared part number)Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4320-01-303-388721137POSSIBLE MATCH
PISTON,PUMP
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
3040-01-417-846621137-1000-1POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-418-954421137-1006-1POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-419-050821137-001POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-419-365021137-1007-1POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-426-789221137-801-1POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-429-132720350-018POSSIBLE MATCH
VALVE,SOLENOID
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
6240-01-435-6019300/SBIF 120VPOSSIBLE MATCH
LAMP,INCANDESCENT
Possible match (shared part number)General Electric Co Wire and Cable Business Dept
Leica Inc Surveying and Photogrammetry Systems Div (USA)
Reference documents
Reference
Meaning
SCB18888
3/2Design control — primary reference
U.S. Government activity
Related Parts
4820-00-821-4328POSSIBLE MATCH
PARTS KIT,VALVE
21137
5998-01-095-9350POSSIBLE MATCH
PRINTED WIRING BOARD
21137
4320-01-303-3887POSSIBLE MATCH
PISTON,PUMP
21137
3040-01-417-8466POSSIBLE MATCH
SHAFT,SHOULDERED
21137-1000-1
4820-01-418-9544POSSIBLE MATCH
PISTON,VALVE
21137-1006-1
4810-01-419-0508POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
21137-001
4810-01-419-3650POSSIBLE MATCH
PISTON,VALVE
21137-1007-1
4820-01-426-7892POSSIBLE MATCH
CAP,VALVE
21137-801-1
4810-01-429-1327POSSIBLE MATCH
VALVE,SOLENOID
20350-018
6240-01-435-6019POSSIBLE MATCH
LAMP,INCANDESCENT
300/SBIF 120V
Frequently Asked Questions
What is NSN 3020-00-288-2291?
NSN 3020-00-288-2291 is a Gear,spur, manufactured by S. W. Electronics & Manufacturing Corp. Dba Swemco, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-288-2291?
NSN 3020-00-288-2291 has 3 manufacturer part numbers on file: SCB18888 (S. W. Electronics & Manufacturing Corp. Dba Swemco), 66575-36 (S. W. Electronics & Manufacturing Corp. Dba Swemco), 21137 (Leica Inc Surveying and Photogrammetry Systems Div).
What NSN replaces 3020-00-288-2291?
10 possible matches (shared part number, not a government interchangeability claim): 4820-00-821-4328, 5998-01-095-9350, 4320-01-303-3887. Verify interchangeability with system specifications before substitution.
What are the specifications of SCB18888?
Key specifications for SCB18888: Bore Nominal Diameter: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN; Teeth Quantity: 60; Body Style: PLAIN, SOLID. 21 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-288-2291 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.