Bar, Anti-Rotation, R4920-01-151-9225

NSN 4920-01-151-9225 · NIIN 011519225

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

Government record, cited

Also searched as 4920-01-151-9225 · 4920011519225 · NIIN 011519225 · 01-151-9225 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · 21C7399G01 · 21C7399G01 · 21C7399

Nearby stock numbers ← 4920-01-151-9224 Stand, Support, Shaft · 4920-01-151-9398 Tube Assembly, Downstream →

Features

Bar,anti-Rotation,r — FSC 4920
General Characteristics Item Description: TO PROVIDE ANIT-ROTATION DURING TORQUEING OF THE GG ROTOR TIE BOLTS
Color: BLACK
Material: STEEL

Identification

NSN: 4920-01-151-9225
NIIN: 011519225
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment

General Description

The Bar,anti-Rotation,r, cataloged under National Stock Number 4920-01-151-9225, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4920-01-151-9225
Item Name	Bar,anti-Rotation,r
FSC / FSG	4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
Status	ACTIVE
General Characteristics Item Description	TO PROVIDE ANIT-ROTATION DURING TORQUEING OF THE GG ROTOR TIE BOLTS
Color	BLACK
Material	STEEL

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

Cross-Reference Index

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

Reference documents

Reference	Meaning
21C7399G01	5/9 Secondary reference General Electric Company
21C7399G01	3/2 Design control — primary reference U.S. Government activity
21C7399	5/9 Secondary reference Centerline Tool & Engineering Inc

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 4920-01-151-9225?

NSN 4920-01-151-9225 is a Bar,anti-Rotation,r, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What are the specifications of 4920-01-151-9225?

Key specifications for 4920-01-151-9225: Overall Height: 1.060 INCHES NOMINAL IN; General Characteristics Item Description: TO PROVIDE ANIT-ROTATION DURING TORQUEING OF THE GG ROTOR TIE BOLTS; Overall Length: 23.000 INCHES NOMINAL IN; Overall Width: 3.250 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4920-01-151-9225 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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