NSN 3020-01-044-5859 · NIIN 010445859 · Part number RED102126-9
Naval Sea Systems Command · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 53711
Government record, cited
NSN 3020-01-044-5859 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-044-5859. Manufacturer of record part number: RED102126-9.
Also searched as3020-01-044-5859 ·
3020010445859 ·
NIIN 010445859 ·
01-044-5859 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 53711 · RED102126-9 · ASC1538810 · RED102126
Hub Outside Diameter: 0.621 INCHES NOMINAL BOTH ENDS IN
Bore Feature: NOT INCLUDED
Securing Method: KEY
Split Hub Feature: NOT INCLUDED
Design Form: PLAIN
Groove Radius: 0.344 INCHES NOMINAL IN
Identification
NSN: 3020-01-044-5859
NIIN: 010445859
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: RED102126-9
Manufacturer: Naval Sea Systems Command
General Description
The Pulley,groove, cataloged under National Stock Number 3020-01-044-5859, 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 Naval Sea Systems Command. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
3020-01-044-5859
Primary Part Number
RED102126-9
Item Name
Pulley,groove
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Integral Cooling Vane
NOT INCLUDED
Hub Outside Diameter
0.621 INCHES NOMINAL BOTH ENDS IN
Bore Feature
NOT INCLUDED
Securing Method
KEY
Split Hub Feature
NOT INCLUDED
Design Form
PLAIN
Groove Radius
0.344 INCHES NOMINAL IN
Groove Shape
U
Outside Diameter
1.750 INCHES NOMINAL IN
Style Designator
PLAIN
Material Document and Classification
QQ-C-530,COND A OR H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Groove Depth
0.625 INCHES NOMINAL IN
Groove Quantity
5
Protruding Hub Characteristic
PLAIN
Unable to Decode
UNABLE TO DECODE
Distance From Outside Flange/rim to Hub End and Location
1.595 INCHES NOMINAL AA END AND 0.406 INCHES NOMINAL BB END IN
Material
COPPER ALLOY OVERALL
Face Width
5.437 INCHES NOMINAL IN
Groove Width
0.688 INCHES NOMINAL IN
Securing Location
AA END
Lightening Hole
NOT INCLUDED
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.
3020-01-044-6401RED102126-10POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-044-7062RED102126-11POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-044-7063RED102126-8POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-045-4037RED102126-7POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-045-6393RED102126-2POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-045-8884RED102126-4POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-047-2595RED102126-6POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-047-3735RED102126-5POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
3020-01-048-0788RED102126-3POSSIBLE MATCH
PULLEY,GROOVE
Possible match (shared part number)Naval Sea Systems Command
NSN 3020-01-044-5859 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-044-5859?
NSN 3020-01-044-5859 has 1 manufacturer part number on file: RED102126-9 (Naval Sea Systems Command).
What NSN replaces 3020-01-044-5859?
9 possible matches (shared part number, not a government interchangeability claim): 3020-01-044-6401, 3020-01-044-7062, 3020-01-044-7063. Verify interchangeability with system specifications before substitution.
What are the specifications of RED102126-9?
Key specifications for RED102126-9: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.621 INCHES NOMINAL BOTH ENDS IN; Bore Feature: NOT INCLUDED; Securing Method: KEY. 21 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-044-5859 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.