Inserter, Seal5120-01-203-1978

NSN 5120-01-203-1978 · NIIN 012031978 · Part number 23008731

Rolls-Royce Corporation · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 63005

Government record, cited

NSN 5120-01-203-1978 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-203-1978. Manufacturer of record part number: 23008731.

Also searched as 5120-01-203-1978 · 5120012031978 · NIIN 012031978 · 01-203-1978 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 63005 · 23008731

Nearby stock numbers ← 5120-01-203-1977 · 5120-01-203-2186 →

Features

Inserter,seal — FSC 5120
Diameter: 0.430 INCHES NOMINAL IN
Shape: CYLINDRICAL
Usage Design: INSERT BUSHINGS ON GEARBOX;TF41 ENG
1 manufacturer part number on file
Manufacturer of record: Rolls-Royce Corporation

Identification

NSN: 5120-01-203-1978
NIIN: 012031978
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: 23008731
Manufacturer: Rolls-Royce Corporation

General Description

The Inserter,seal, cataloged under National Stock Number 5120-01-203-1978, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Rolls-Royce Corporation. 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

Parameter	Value
NSN	5120-01-203-1978
Primary Part Number	23008731
Item Name	Inserter,seal
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Rolls-Royce Corporation
Status	ACTIVE
Diameter	0.430 INCHES NOMINAL IN
Shape	CYLINDRICAL
Usage Design	INSERT BUSHINGS ON GEARBOX;TF41 ENG

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

Part Number	Manufacturer
23008731 PRIMARY	Rolls-Royce Corporation (USA)

No interchangeability data on file.

Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered

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

5120-00-001-2642

ADAPTER,TORQUE WRENCH

5120-00-001-2644

ADAPTER,TORQUE WRENCH

5120-00-001-2650

INSERTER,SEAL

5120-00-001-2651

5120-00-001-2651 · Item name not on file

5120-00-001-2652

INSTALLING TOOL,SHAFT

5120-00-001-2653

REMOVER,PREFORMED PACKING

5120-00-001-2654

REMOVER,PREFORMED PACKING

5120-00-001-2655

SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-01-203-1978?

NSN 5120-01-203-1978 is a Inserter,seal, manufactured by Rolls-Royce Corporation, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-203-1978?

NSN 5120-01-203-1978 has 1 manufacturer part number on file: 23008731 (Rolls-Royce Corporation).

What are the specifications of 23008731?

Key specifications for 23008731: Diameter: 0.430 INCHES NOMINAL IN; Shape: CYLINDRICAL; Usage Design: INSERT BUSHINGS ON GEARBOX;TF41 ENG. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-203-1978 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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