NSN 5120-01-335-1057

Socket Wrench Extension

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

NIIN:

013351057

Pricing & Availability Check

Submit this form for stock availability and pricing.

Inventory

This product may be available in the following quantities and conditions.

NS: 1
NE: 1

Please note that inventory for this NSN was updated 09/11/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "EXTENSION,SOCKET WRENCH"

An attachment for extending the drive length of socket wrenches or handles. The body of the item may be either a coil spring or a solid bar. The items permit the connection of ends that are designed for direct mating to each other. See also adapter, socket wrench; universal joint, socket wrench attachment; and adapter, socket, crowfoot socket wrench head.

5120-01-335-1057 Spec. NSN part characteristics

MRC

Name

Detail

MRC:

ABHP

Overall Length

3.000 inches

MRC:

ATNC

Drive Surface Size

0.375 inches both ends

MRC:

CBBL

Features Provided

Manual tool

MRC:

CTCT

Drive End Shape

Square second end external

MRC:

FEAT

Special Features

Knurled shank

MRC:

MATT

Material

Steel

MRC:

SFTT

Surface Treatment

Chromium

MRC:

STYL

Style Designator

Rigid

MRC:

ZZZK

Specification Data

81343-sae as4283 professional/industrial association standard

MRC:

ZZZT

Nondefinitive Specification/std Data

2 type and 2 class

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

AS4283

Cage Code:

81343

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS4283 TY2CL2

Cage Code:

80244

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

FXK3

Cage Code:

55719

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

FXK3

Cage Code:

68D9G

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

FXK3

Cage Code:

Z0X06

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

FXK3

Cage Code:

Z1F72

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Indicates a design/source control reference item

Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

17018

FIIG:

A102A0

Concept No.:

App. Key:

Cond. Code:

Status:

Special material and handling

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Import and Export

Schedule B

NAIC

End Use

SITC

USDA

HITECH

Schedule B:

8204200000

NAICS:

332216

End Use Class:

21190

SITC:

69530

USDA:

HITECH:

Schedule B Codes Definitions:

Schedule B 8204200000

Socket Wrenches With Or Without Handles, Drives and Extensions, Parts, Base Metal

End Use Code 21190

Photo, Service Industry Machinery

Standard Intl. Trade Class (SITC) 69530

Operated (including Torque Meter Wrenches But Excluding Tap Wrenches); Interchangeable Spanner Sockets Spanners and Wrenches, Hand

National motor freight and handling

NMFC

Class

UFC

LTL

LCL

WCC

TCC

SHC

ADC

ACC

NMFC:

186620

NMF Description:

Noi Hand Other Than Power Tools

UFC:

91810

LTL:

Rating variable

LCL:

WCC:

713

TCC:

SHC:

ADC:

ACC:

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 713

Metal hardware.

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)