Tool, Test Block4920-01-391-4197

NSN 4920-01-391-4197 · NIIN 013914197

FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment

Government record, cited

Also searched as 4920-01-391-4197 · 4920013914197 · NIIN 013914197 · 01-391-4197 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment

Nearby stock numbers ← 4920-01-391-4125 Control Panel, Test · 4920-01-391-4198 Tool, Test Block →

Features

Tool,test Block — FSC 4920

Identification

NSN: 4920-01-391-4197
NIIN: 013914197
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment

General Description

The Tool,test Block, cataloged under National Stock Number 4920-01-391-4197, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Tool,test Block
FSC / FSG	4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49)

Technical Specifications

Parameter	Value
NSN	4920-01-391-4197
Item Name	Tool,test Block
FSC / FSG	4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
T-18671	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4920-00-000-0190

TEST SET,FLIGHT CONTROL SYSTEM

4920-00-001-1405

4920-00-001-1405 · Item name not on file

4920-00-001-1716

4920-00-001-1716 · Item name not on file

4920-00-001-1744

4920-00-001-1744 · Item name not on file

4920-00-001-1745

4920-00-001-1745 · Item name not on file

4920-00-001-1746

4920-00-001-1746 · Item name not on file

4920-00-001-1747

4920-00-001-1747 · Item name not on file

4920-00-001-1748

4920-00-001-1748 · Item name not on file

Frequently Asked Questions

What is NSN 4920-01-391-4197?

NSN 4920-01-391-4197 is a Tool,test Block, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

Is NSN 4920-01-391-4197 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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