Adapter, Socket Wrench5120-01-586-6404

NSN 5120-01-586-6404 · NIIN 015866404 · Part number TW 503-1

Neway Manufacturing Inc · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 13484

Government record, cited

NSN 5120-01-586-6404 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-586-6404. Manufacturer of record part number: TW 503-1.

Also searched as 5120-01-586-6404 · 5120015866404 · NIIN 015866404 · 01-586-6404 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 13484 · TW 503-1

Nearby stock numbers ← 5120-01-586-6391 Wheel Weight Cutter · 5120-01-586-6703 Rod, Expanding →

Features

Adapter,socket Wrench — FSC 5120
Large End Head Thickness: 0.500 INCHES NOMINAL IN
Small End Head Thickness: 0.375 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Neway Manufacturing Inc

Identification

NSN: 5120-01-586-6404
NIIN: 015866404
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: TW 503-1
Manufacturer: Neway Manufacturing Inc

General Description

The Adapter,socket Wrench, cataloged under National Stock Number 5120-01-586-6404, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Neway Manufacturing Inc. Government technical data includes 2 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	5120-01-586-6404
Primary Part Number	TW 503-1
Item Name	Adapter,socket Wrench
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Neway Manufacturing Inc
Status	ACTIVE
Large End Head Thickness	0.500 INCHES NOMINAL IN
Small End Head Thickness	0.375 INCHES NOMINAL IN

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
TW 503-1 PRIMARY	Neway Manufacturing Inc (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 5120-01-586-6404?

NSN 5120-01-586-6404 is a Adapter,socket Wrench, manufactured by Neway Manufacturing Inc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-586-6404?

NSN 5120-01-586-6404 has 1 manufacturer part number on file: TW 503-1 (Neway Manufacturing Inc).

What are the specifications of TW 503-1?

Key specifications for TW 503-1: Large End Head Thickness: 0.500 INCHES NOMINAL IN; Small End Head Thickness: 0.375 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: ADAPTOR, 1/2 IN TO 3/8 IN IN. 2 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-586-6404 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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