PartsTable TECHNICAL DATA SHEET
NSN 3020-01-004-9188Government record, cited

Pulley, Groove3020-01-004-9188

NSN 3020-01-004-9188 · NIIN 010049188 · Part number 261249
Napa Automotive Parts Co · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 8A026
Government record, cited
NSN 3020-01-004-9188 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-004-9188. Manufacturer of record part number: 261249.
Also searched as  3020-01-004-9188 · 3020010049188 · NIIN 010049188 · 01-004-9188 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 8A026 · 261249 · 5914753 · 6551112
Nearby stock numbers  ·
Features
  • Pulley,groove — FSC 3020
  • Integral Cooling Vane: NOT INCLUDED
  • Bore Feature: INCLUDED
  • Split Hub Feature: NOT INCLUDED
  • Design Form: SPOKED
  • Groove Shape: V
  • Outside Diameter: 5.000 INCHES NOMINAL IN
  • Style Designator: WEBBED OR SPOKED
Identification
  • NSN: 3020-01-004-9188
  • NIIN: 010049188
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 261249
  • Manufacturer: Napa Automotive Parts Co
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-004-9188, 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 Napa Automotive Parts Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-004-9188
Primary Part Number261249
Item NamePulley,groove
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerNapa Automotive Parts Co
StatusACTIVE
Integral Cooling VaneNOT INCLUDED
Bore FeatureINCLUDED
Split Hub FeatureNOT INCLUDED
Design FormSPOKED
Groove ShapeV
Outside Diameter5.000 INCHES NOMINAL IN
Style DesignatorWEBBED OR SPOKED
Bore TypeSTRAIGHT
BearingsINCLUDED
Groove Quantity2
Bearing TypeBALL
Counterbore FeatureNOT INCLUDED
MaterialSTEEL OVERALL
Groove Width0.380 INCHES NOMINAL IN
Lightening HoleNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1680-01-478-5658261249 POSSIBLE MATCH
ADAPTER,CONNECTOR,A
Possible match (shared part number)Lockheed Martin Corporation
Cross-Reference Index
Part NumberManufacturer
261249 PRIMARY Napa Automotive Parts Co (USA)
Reference documents
ReferenceMeaning
5914753 5/9 Secondary reference
White Consolidated Industries Inc Frigidaire Div
6551112 D/9 Drawing number reference only
White Consolidated Industries Inc Frigidaire Div
Related Parts
1680-01-478-5658POSSIBLE MATCH
ADAPTER,CONNECTOR,A
261249

Frequently Asked Questions

What is NSN 3020-01-004-9188?

NSN 3020-01-004-9188 is a Pulley,groove, manufactured by Napa Automotive Parts Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-004-9188?

NSN 3020-01-004-9188 has 1 manufacturer part number on file: 261249 (Napa Automotive Parts Co).

What NSN replaces 3020-01-004-9188?

1 possible match (shared part number, not a government interchangeability claim): 1680-01-478-5658. Verify interchangeability with system specifications before substitution.

What are the specifications of 261249?

Key specifications for 261249: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Design Form: SPOKED. 15 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-004-9188 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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