PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81348Extension,socket Wrench

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-601-5175 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-601-5175 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-601-5175. Primary manufacturer part number: 81348.
Features
  • Extension,socket Wrench — FSC 5120
  • Style Designator: RIGID
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Specification/standard Data: 0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE FIRST END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-601-5175, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-601-5175
Primary Part Number81348
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Style DesignatorRIGID
Drive End ShapeSQUARE SECOND END EXTERNAL
Specification/standard Data0U583-SAE AS4283 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Drive End ShapeSQUARE FIRST END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1560-00-122-866212931 INTERCHANGEABLE
Strut,left Front Ju
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
3110-00-144-878212931 INTERCHANGEABLE
Bearing,ball,annular
Itw Food Equipment Group Llc Dba Hobart Service
5310-00-208-924212931 INTERCHANGEABLE
Nut,plain,hexagon
Ge Aviation Systems Llc
5315-00-374-3006 INTERCHANGEABLE
Pin,straight,headless
4710-00-533-257412931 INTERCHANGEABLE
Tube Assembly,metal
Mission Systems Orchard Park Inc
5340-00-824-2432 INTERCHANGEABLE
Handle,bow
2915-00-864-112512931 INTERCHANGEABLE
Retainer,spring
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5331-01-005-3205AS3209-348 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4820-01-130-654381348F INTERCHANGEABLE
Diaphragm,valve,flat
Griswold Industries Dba Cla-Val Co
3110-01-164-63041293-1 INTERCHANGEABLE
Bearing,ball,annular
Ingersoll-Rand Co Material Handling Div
Cross-Reference Index
Part NumberManufacturer
81348 Apex Tool Group, Llc Dba Nicholson (USA)
SXKL3 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
456720012107 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
AS4283 Society of Automotive Engineers Inc (USA)
12-931 Apex Tool Group, Llc Dba Nicholson (USA)
AS4283 TY2CL2 General Services Administration Federal Supply Service (USA)
AS4283 Sae International Dba Sae International (USA)
12-931 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
12-931 Armstrong Bros Tool Co (USA)
Related Parts
1560-00-122-8662INTERCHANGEABLE
STRUT,LEFT FRONT JU
12931
3110-00-144-8782INTERCHANGEABLE
BEARING,BALL,ANNULAR
12931
5310-00-208-9242INTERCHANGEABLE
NUT,PLAIN,HEXAGON
12931
5315-00-374-3006INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4710-00-533-2574INTERCHANGEABLE
TUBE ASSEMBLY,METAL
12931
5340-00-824-2432INTERCHANGEABLE
HANDLE,BOW
2915-00-864-1125INTERCHANGEABLE
RETAINER,SPRING
12931
5331-01-005-3205INTERCHANGEABLE
O-RING
AS3209-348
4820-01-130-6543INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
81348F
3110-01-164-6304INTERCHANGEABLE
BEARING,BALL,ANNULAR
1293-1
5340-01-178-1295INTERCHANGEABLE
HANDWHEEL
1-2931
4730-01-224-3050INTERCHANGEABLE
ELBOW,TUBE TO HOSE

Frequently Asked Questions

What is NSN 5120-01-601-5175?

NSN 5120-01-601-5175 is a Extension,socket Wrench, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-601-5175?

NSN 5120-01-601-5175 has 9 cross-referenced part numbers: 81348 (Apex Tool Group, Llc Dba Nicholson), SXKL3 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 456720012107 (Ncb Hungary (honvedsegi Egyseges Termekkod)), AS4283 (Society of Automotive Engineers Inc), 12-931 (Apex Tool Group, Llc Dba Nicholson) and 4 more.

What NSN replaces 5120-01-601-5175?

There are 12 known substitutes for 5120-01-601-5175: 1560-00-122-8662, 3110-00-144-8782, 5310-00-208-9242 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81348?

Key specifications for 81348: Overall Length: 3.000 INCHES NOMINAL IN; Style Designator: RIGID; Special Features: LOCKING TYPE; Drive End Shape: SQUARE SECOND END EXTERNAL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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