Key, Socket Head Screw5120-01-679-5058

NSN 5120-01-679-5058 · NIIN 016795058 · Part number 8H-8501

Caterpillar Inc Div Caterpillar Defense · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 11083

Government record, cited

NSN 5120-01-679-5058 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-679-5058. Manufacturer of record part number: 8H-8501.

Also searched as 5120-01-679-5058 · 5120016795058 · NIIN 016795058 · 01-679-5058 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 11083 · 8H-8501

Nearby stock numbers ← 5120-01-679-5052 Punch, Aligning · 5120-01-679-5240 Removal Tool, Socket →

Features

Key,socket Head Screw — FSC 5120
Style Designator: L-HANDLE
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 5120-01-679-5058
NIIN: 016795058
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: 8H-8501
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-679-5058, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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	5120-01-679-5058
Primary Part Number	8H-8501
Item Name	Key,socket Head Screw
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Style Designator	L-HANDLE

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
8H-8501 PRIMARY	Caterpillar Inc Div Caterpillar Defense (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 5120-01-679-5058?

NSN 5120-01-679-5058 is a Key,socket Head Screw, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-679-5058?

NSN 5120-01-679-5058 has 1 manufacturer part number on file: 8H-8501 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 8H-8501?

Key specifications for 8H-8501: Style Designator: L-HANDLE; Overall Length: 9.500 INCHES NOMINAL IN; Special Features: FOR LOW TORQUE APPLICATIONS,1FIRST END SIZE:1/2",SECOND END SIZE:9/16",WRENCH 41.0MM MM; Part Name Assigned by Controlling Agency: WRENCH SET,COMBINATION BOX AND OPEN END. 1 specification is documented in the U.S. Government catalog.

Is NSN 5120-01-679-5058 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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