Socket, Socket Wrench5120-01-706-3397

NSN 5120-01-706-3397 · NIIN 017063397 · Part number STMD20

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 55719

Government record, cited

NSN 5120-01-706-3397 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-706-3397. Manufacturer of record part number: STMD20.

Also searched as 5120-01-706-3397 · 5120017063397 · NIIN 017063397 · 01-706-3397 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 55719 · STMD20

Nearby stock numbers ← 5120-01-706-3378 Holder, Screwdriver Bit · 5120-01-706-3556 Jack, Leveling-Support →

Features

Socket,socket Wrench — FSC 5120
Wrenching End Outside Diameter: 0.8125 INCHES NOMINAL IN
Style Designator: INTERNAL-INTERNAL
Wrenching End Opening Depth: 0.40625 INCHES NOMINAL IN
Surface Treatment: NICKEL OVERALL
Drive End Outside Diameter: 0.84375 INCHES NOMINAL IN
Material: STEEL OVERALL
1 manufacturer part number on file

Identification

NSN: 5120-01-706-3397
NIIN: 017063397
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: STMD20
Manufacturer: Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc

General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-706-3397, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 6 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	5120-01-706-3397
Primary Part Number	STMD20
Item Name	Socket,socket Wrench
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Status	ACTIVE
Wrenching End Outside Diameter	0.8125 INCHES NOMINAL IN
Style Designator	INTERNAL-INTERNAL
Wrenching End Opening Depth	0.40625 INCHES NOMINAL IN
Surface Treatment	NICKEL OVERALL
Drive End Outside Diameter	0.84375 INCHES NOMINAL IN
Material	STEEL OVERALL

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
STMD20 PRIMARY	Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (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 5120-01-706-3397?

NSN 5120-01-706-3397 is a Socket,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-706-3397?

NSN 5120-01-706-3397 has 1 manufacturer part number on file: STMD20 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What are the specifications of STMD20?

Key specifications for STMD20: Wrenching End Outside Diameter: 0.8125 INCHES NOMINAL IN; Style Designator: INTERNAL-INTERNAL; Overall Length: 2.0 INCHES NOMINAL IN; Special Features: 12 POINT SAE 5/8. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-706-3397 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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