PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6508221Protector,blade

Allison Transmission Inc Dba Allison Transmission, Inc · NSN 4920-00-756-4489 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-00-756-4489 — this item is cataloged by the U.S. Government under National Stock Number 4920-00-756-4489. Primary manufacturer part number: 6508221.
Features
  • Protector,blade — FSC 4920
  • 2 verified cross-references
  • Primary manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Protector,blade, cataloged under National Stock Number 4920-00-756-4489, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameProtector,blade
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersAllison Transmission Inc Dba Allison Transmission, Inc (CAGE 73342); General Motors Corp (CAGE 24617)
Technical Specifications
ParameterValue
NSN4920-00-756-4489
Primary Part Number6508221
Item NameProtector,blade
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-458-2614114-498-0019 INTERCHANGEABLE
Connector,receptacle,electrical
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
6508221 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
6508221 General Motors Corp (USA)
Related Parts
5935-01-458-2614INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
114-498-0019

Frequently Asked Questions

What is NSN 4920-00-756-4489?

NSN 4920-00-756-4489 is a Protector,blade, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-00-756-4489?

NSN 4920-00-756-4489 has 2 cross-referenced part numbers: 6508221 (Allison Transmission Inc Dba Allison Transmission, Inc), 6508221 (General Motors Corp).

What NSN replaces 4920-00-756-4489?

There is 1 known substitute for 4920-00-756-4489: 5935-01-458-2614. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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