Southern Gear & Machine Inc · NSN 3020-00-055-4981 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-055-4981 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-055-4981. Primary manufacturer part number: 154-81.
3020-00-055-4981 — No Item Name Available illustration
Features
Gear,spur — FSC 3020
Pitch Diameter: 1.6865 INCHES MINIMUM AND 1.6875 INCHES MAXIMUM IN
Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
Material: ALUMINUM ALLOY 2024 OVERALL
Style Designator: PROTRUDING HUB
Teeth Quantity: 81
Bore Style: PLAIN BOTH ENDS
Hub Nominal Diameter: 0.500 INCHES FIRST END IN
Applications
Power transmission and speed reduction
Rotary motion transfer
Torque multiplication
Applications requiring Aluminum Alloy 2024 Overall construction
General Description
The Gear,spur, cataloged under National Stock Number 3020-00-055-4981, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-00-055-4981
Primary Part Number
154-81
Item Name
Gear,spur
FSC / FSG
3020 / 30 — No Item Name Available
Manufacturer
Southern Gear & Machine Inc
Status
ACTIVE
Pitch Diameter
1.6865 INCHES MINIMUM AND 1.6875 INCHES MAXIMUM IN
Nominal Distance Between Body Face and Protruding Hub End
0.250 INCHES FIRST END IN
Material
ALUMINUM ALLOY 2024 OVERALL
Style Designator
PROTRUDING HUB
Teeth Quantity
81
Bore Style
PLAIN BOTH ENDS
Hub Nominal Diameter
0.500 INCHES FIRST END IN
Hub Style Designator
PINNED FIRST END
Nominal Outside Diameter
1.728 INCHES IN
Material Document and Classification
QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN 3020-00-055-4981 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: active.
What are the part numbers for NSN 3020-00-055-4981?
NSN 3020-00-055-4981 has 2 cross-referenced part numbers: 154-81 (Southern Gear & Machine Inc), 34A91 (Telex Computer Products Inc).
What NSN replaces 3020-00-055-4981?
There are 11 known substitutes for 3020-00-055-4981: 3930-00-056-8734, 5950-00-230-8140, 5365-00-365-2000 and 8 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 154-81?
Key specifications for 154-81: Pitch Diameter: 1.6865 INCHES MINIMUM AND 1.6875 INCHES MAXIMUM IN; Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN; Material: ALUMINUM ALLOY 2024 OVERALL; Style Designator: PROTRUDING HUB. 15 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.