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NSN 3020-00-325-1897Government record, cited

Gear Set, Helical, Matched3020-00-325-1897

NSN 3020-00-325-1897 · NIIN 003251897 · Part number 156658
Telemechanics Inc · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 57712
Government record, cited
NSN 3020-00-325-1897 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-325-1897. Manufacturer of record part number: 156658.
Also searched as  3020-00-325-1897 · 3020003251897 · NIIN 003251897 · 00-325-1897 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 57712 · 156658
Nearby stock numbers  ·
Features
  • Gear Set,helical,matched — FSC 3020
  • Component Quantity: 5
  • FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT
  • Nonsupply Items and Quantities: HELICAL GEAR 1;PINION 1;POST 2;RETAINING RING 1
  • 1 manufacturer part number on file
  • Manufacturer of record: Telemechanics Inc
Identification
  • NSN: 3020-00-325-1897
  • NIIN: 003251897
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 156658
  • Manufacturer: Telemechanics Inc
General Description

The Gear Set,helical,matched, cataloged under National Stock Number 3020-00-325-1897, 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 Telemechanics Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-325-1897
Primary Part Number156658
Item NameGear Set,helical,matched
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerTelemechanics Inc
StatusACTIVE
Component Quantity5
FSC Application DataTELETYPE AND FACSIMILE EQUIPMENT
Nonsupply Items and QuantitiesHELICAL GEAR 1;PINION 1;POST 2;RETAINING RING 1
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
156658 PRIMARY Telemechanics Inc (USA)
Reference documents
ReferenceMeaning
156658 5/9 Secondary reference
American Telephone and Telegraph Co
No interchangeability data on file.
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 3020-00-325-1897?

NSN 3020-00-325-1897 is a Gear Set,helical,matched, manufactured by Telemechanics Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-325-1897?

NSN 3020-00-325-1897 has 1 manufacturer part number on file: 156658 (Telemechanics Inc).

What are the specifications of 156658?

Key specifications for 156658: Component Quantity: 5; FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT; Nonsupply Items and Quantities: HELICAL GEAR 1;PINION 1;POST 2;RETAINING RING 1. 3 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-325-1897 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.
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