PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38-315Socket,socket Wrench

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-581-5801 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-581-5801 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-581-5801. Primary manufacturer part number: 38-315.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 35.0 MILLIMETERS NOMINAL MM
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Wrenching Surface Size: 15.0 MILLIMETERS NOMINAL SINGLE END MM
  • Wrenching End Outside Diameter: 20.7 MILLIMETERS NOMINAL MM
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-581-5801, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-581-5801
Primary Part Number38-315
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Wrenching End Opening Depth35.0 MILLIMETERS NOMINAL MM
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Wrenching Surface Size15.0 MILLIMETERS NOMINAL SINGLE END MM
Wrenching End Outside Diameter20.7 MILLIMETERS NOMINAL MM
Drive End Outside Diameter20.7 MILLIMETERS NOMINAL MM
Style DesignatorINTERNAL-INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-358-9808 INTERCHANGEABLE
Gasket
2810-00-566-2893283110 INTERCHANGEABLE
Masterod Assy,engine
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5120-01-173-705538315 INTERCHANGEABLE
Wrench,spanner
Maytag Corporation Dba Maytag Appliancessales
3920-01-617-2473 INTERCHANGEABLE
Carriage Cover Flap
Cross-Reference Index
Part NumberManufacturer
38-315 Apex Tool Group, Llc Dba Nicholson (USA)
38-315 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
38-315 Armstrong Bros Tool Co (USA)
Related Parts
5330-00-358-9808INTERCHANGEABLE
GASKET
2810-00-566-2893INTERCHANGEABLE
MASTEROD ASSY,ENGINE
283110
5120-01-173-7055INTERCHANGEABLE
WRENCH,SPANNER
38315
3920-01-617-2473INTERCHANGEABLE
CARRIAGE COVER FLAP

Frequently Asked Questions

What is NSN 5120-01-581-5801?

NSN 5120-01-581-5801 is a Socket,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 5120-01-581-5801?

NSN 5120-01-581-5801 has 3 cross-referenced part numbers: 38-315 (Apex Tool Group, Llc Dba Nicholson), 38-315 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 38-315 (Armstrong Bros Tool Co).

What NSN replaces 5120-01-581-5801?

There are 4 known substitutes for 5120-01-581-5801: 5330-00-358-9808, 2810-00-566-2893, 5120-01-173-7055 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38-315?

Key specifications for 38-315: Overall Length: 63.5 MILLIMETERS NOMINAL MM; Wrenching End Opening Depth: 35.0 MILLIMETERS NOMINAL MM; Features Provided: MANUAL TOOL; Drive End Shape: SQUARE SINGLE END INTERNAL. 12 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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