PartsTable TECHNICAL DATA SHEET
NSN 3990-01-503-9906Government record, cited

Harness Engine3990-01-503-9906

NSN 3990-01-503-9906 · NIIN 015039906 · Part number 6623304
Jlg Industries, Inc. · FSC 3990 — Miscellaneous Materials Handling Equipment · FSG 39 — Materials Handling Equipment · CAGE 1YHH8
Government record, cited
NSN 3990-01-503-9906 — this item is cataloged by the U.S. Government under National Stock Number 3990-01-503-9906. Manufacturer of record part number: 6623304.
Also searched as  3990-01-503-9906 · 3990015039906 · NIIN 015039906 · 01-503-9906 · FSC 3990 Miscellaneous Materials Handling Equipment · CAGE 1YHH8 · 6623304
Nearby stock numbers  ·
Features
  • Harness Engine — FSC 3990
  • 1 manufacturer part number on file
  • Manufacturer of record: Jlg Industries, Inc.
Identification
  • NSN: 3990-01-503-9906
  • NIIN: 015039906
  • FSC: 3990 — Miscellaneous Materials Handling Equipment
  • FSG: 39 — Materials Handling Equipment
  • Primary part number: 6623304
  • Manufacturer: Jlg Industries, Inc.
General Description

The Harness Engine, cataloged under National Stock Number 3990-01-503-9906, is classified within Federal Supply Class 3990 (Miscellaneous Materials Handling Equipment) of the Materials Handling Equipment group. The manufacturer of record is Jlg Industries, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
NSN3990-01-503-9906
Primary Part Number6623304
Item NameHarness Engine
FSC / FSG3990 / 39 — Miscellaneous Materials Handling Equipment
ManufacturerJlg Industries, Inc.
StatusACTIVE
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
6623304 PRIMARY Jlg Industries, Inc. (USA)
Reference documents
ReferenceMeaning
6623304 5/9 Secondary reference
Trak International
No interchangeability data on file.
Other items in FSC 3990 — Miscellaneous Materials Handling Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3990-00-001-4312
ROLLER,MATERIAL HANDLING
3990-00-001-9423
ROLLER,MATERIAL HANDLING
3990-00-003-2244
3990-00-003-2244 · Item name not on file
3990-00-004-7515
3990-00-004-7515 · Item name not on file
3990-00-007-3775
BRAKE,FLOOR,WHEELED EQUIPMENT
3990-00-009-5447
3990-00-009-5447 · Item name not on file
3990-00-012-4033
3990-00-012-4033 · Item name not on file
3990-00-013-7540
3990-00-013-7540 · Item name not on file

Frequently Asked Questions

What is NSN 3990-01-503-9906?

NSN 3990-01-503-9906 is a Harness Engine, manufactured by Jlg Industries, Inc., classified under FSC 3990, Miscellaneous Materials Handling Equipment. Status: active.

What part numbers are listed for NSN 3990-01-503-9906?

NSN 3990-01-503-9906 has 1 manufacturer part number on file: 6623304 (Jlg Industries, Inc.).

What are the specifications of 6623304?

Key specifications for 6623304: End Item Identification: 3930-01-486-2151. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3990-01-503-9906 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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