PartsTable TECHNICAL DATA SHEET
NSN 3020-01-478-4648Government record, cited

Pulley, Groove3020-01-478-4648

NSN 3020-01-478-4648 · NIIN 014784648 · Part number KR11AH508
Carrier Corp · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 10855
Government record, cited
NSN 3020-01-478-4648 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-478-4648. Manufacturer of record part number: KR11AH508.
Also searched as  3020-01-478-4648 · 3020014784648 · NIIN 014784648 · 01-478-4648 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 10855 · KR11AH508
Nearby stock numbers  ·
Features
  • Pulley,groove — FSC 3020
  • Bore Feature: INCLUDED
  • Keying Facility Type: KEYWAY
  • Furnished Items: KEYING FACILITY
  • 1 manufacturer part number on file
  • Manufacturer of record: Carrier Corp
Identification
  • NSN: 3020-01-478-4648
  • NIIN: 014784648
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: KR11AH508
  • Manufacturer: Carrier Corp
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-478-4648, 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 Carrier Corp. 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-478-4648
Primary Part NumberKR11AH508
Item NamePulley,groove
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerCarrier Corp
StatusACTIVE
Bore FeatureINCLUDED
Keying Facility TypeKEYWAY
Furnished ItemsKEYING FACILITY
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
KR11AH508 PRIMARY Carrier Corp (USA)
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 3020-01-478-4648?

NSN 3020-01-478-4648 is a Pulley,groove, manufactured by Carrier Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-478-4648?

NSN 3020-01-478-4648 has 1 manufacturer part number on file: KR11AH508 (Carrier Corp).

What are the specifications of KR11AH508?

Key specifications for KR11AH508: Bore Feature: INCLUDED; Keying Facility Type: KEYWAY; Special Features: SINGLE A GROOVE PULLEY WITH KEYWAY; 3/4 INCH BORE; 8.5 DEGREE PITCH IN; End Item Identification: COOLING UNIT 90MA/MF/MU. 3 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-478-4648 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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