NSN 3020-01-657-0251 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-657-0251. Manufacturer of record part number: 510251-163.
Also searched as3020-01-657-0251 ·
3020016570251 ·
NIIN 016570251 ·
01-657-0251 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 3S597 · 510251-163
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 510251-163
Manufacturer: Kessler Intl Corp
General Description
The Gear,antibacklash,helical, cataloged under National Stock Number 3020-01-657-0251, 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 Kessler Intl Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3020-01-657-0251
Primary Part Number
510251-163
Item Name
Gear,antibacklash,helical
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file
Frequently Asked Questions
What is NSN 3020-01-657-0251?
NSN 3020-01-657-0251 is a Gear,antibacklash,helical, manufactured by Kessler Intl Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-657-0251?
NSN 3020-01-657-0251 has 2 manufacturer part numbers on file: 510251-163 (Kessler Intl Corp), 510251-163 (Ktsdi Llc).
What are the specifications of 510251-163?
Key specifications for 510251-163: Special Features: CAGE 3S597 DOES NOT SELL TO THE GOVERNMENT; Part Name Assigned by Controlling Agency: SUN GEAR; End Item Identification: 3930-01-522-7364. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-657-0251 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.