NSN 3020-00-677-6263 · NIIN 006776263 · Part number 489-2
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 48ZY0
Government record, cited
NSN 3020-00-677-6263 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-677-6263. Manufacturer of record part number: 489-2.
Also searched as3020-00-677-6263 ·
3020006776263 ·
NIIN 006776263 ·
00-677-6263 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 48ZY0 · 489-2
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 489-2
Manufacturer: Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
General Description
The Gear,spur, cataloged under National Stock Number 3020-00-677-6263, 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 Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
3020-00-677-6263
Primary Part Number
489-2
Item Name
Gear,spur
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
Status
ACTIVE
Keyway Nominal Width
0.064 INCHES BOTH ENDS IN
Bore Nominal Diameter
0.188 INCHES BOTH ENDS IN
Hub Nominal Diameter
0.312 INCHES FIRST END IN
Hub Nominal Diameter
0.312 INCHES SECOND END IN
Teeth Quantity
28
Body Style
PLAIN, SOLID
Bore Style
W/ KEYWAY BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End
0.032 INCHES BOTH ENDS IN
Style Designator
PROTRUDING HUBS
Material Document and Classification
QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter
0.5833 INCHES NOMINAL IN
Tooth Form
STANDARD
Hub Style Designator
PLAIN BOTH ENDS
Nominal Outside Diameter
0.623 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom
0.131 INCHES BOTH ENDS IN
Surface Treatment
ANODIZE OVERALL
Pressure Angle
14.5000 DEGREES
Material
ALUMINUM ALLOY 2024 OVERALL
Face Nominal Width
0.188 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 Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5985-00-756-38309731500POSSIBLE MATCH
SEAL,WAVEGUIDE
Possible match (shared part number)Us Army Aviation and Missile Command
5935-00-802-18001043POSSIBLE MATCH
COVER,ELECTRICAL CONNECTOR
Possible match (shared part number)Hubbell-Raco Inc
5120-01-116-5677GS15892-1POSSIBLE MATCH
COMPRESSOR,SEAL
Possible match (shared part number)Hamilton Sundstrand Corporation Dba Collins Aerospace
4820-01-227-72674892POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Imi Cash Valve Inc
2510-01-241-3283002 323 69 00POSSIBLE MATCH
SHOCK ABSORBER,DIRECT ACTION
Possible match (shared part number)Daimler Truck North America Llc
6105-01-260-017748-9-2POSSIBLE MATCH
MOTOR,DIRECT CURRENT
Possible match (shared part number)Electromech Technologies Llc
2530-01-282-84234892POSSIBLE MATCH
SPIDER,BRAKE
Possible match (shared part number)Ingersoll-Rand Co Material Handling Div
4820-01-298-226830290753POSSIBLE MATCH
PISTON,VALVE
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5935-01-324-3154489-2POSSIBLE MATCH
JACK,TELEPHONE
Possible match (shared part number)Inmac Usa Microwarehouse Inc of Connecticut
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA)
Reference documents
Reference
Meaning
489-2
5/9Secondary reference
Kilgore Flares Company Llc
489-2
5/9Secondary reference
U.S. Government activity
Related Parts
5985-00-756-3830POSSIBLE MATCH
SEAL,WAVEGUIDE
9731500
5935-00-802-1800POSSIBLE MATCH
COVER,ELECTRICAL CONNECTOR
1043
5120-01-116-5677POSSIBLE MATCH
COMPRESSOR,SEAL
GS15892-1
4820-01-227-7267POSSIBLE MATCH
PISTON,VALVE
4892
2510-01-241-3283POSSIBLE MATCH
SHOCK ABSORBER,DIRECT ACTION
002 323 69 00
6105-01-260-0177POSSIBLE MATCH
MOTOR,DIRECT CURRENT
48-9-2
2530-01-282-8423POSSIBLE MATCH
SPIDER,BRAKE
4892
4820-01-298-2268POSSIBLE MATCH
PISTON,VALVE
30290753
5935-01-324-3154POSSIBLE MATCH
JACK,TELEPHONE
489-2
Frequently Asked Questions
What is NSN 3020-00-677-6263?
NSN 3020-00-677-6263 is a Gear,spur, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-00-677-6263?
NSN 3020-00-677-6263 has 1 manufacturer part number on file: 489-2 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc).
What NSN replaces 3020-00-677-6263?
9 possible matches (shared part number, not a government interchangeability claim): 5985-00-756-3830, 5935-00-802-1800, 5120-01-116-5677. Verify interchangeability with system specifications before substitution.
What are the specifications of 489-2?
Key specifications for 489-2: Keyway Nominal Width: 0.064 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.188 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.312 INCHES FIRST END IN; Hub Nominal Diameter: 0.312 INCHES SECOND END IN. 19 specifications are documented in the U.S. Government catalog.
Is NSN 3020-00-677-6263 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.