PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38-310Socket,socket Wrench

Armstrong Bros Tool Co · NSN 5120-01-581-5792 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-581-5792 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-581-5792. Primary manufacturer part number: 38-310.
Features
  • Socket,socket Wrench — FSC 5120
  • Drive End Outside Diameter: 16.5 MILLIMETERS NOMINAL MM
  • Wrenching End Opening Depth: 9.5 MILLIMETERS NOMINAL MM
  • Wrenching End Outside Diameter: 14.8 MILLIMETERS NOMINAL MM
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-581-5792, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Armstrong Bros Tool Co. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-581-5792
Primary Part Number38-310
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmstrong Bros Tool Co
StatusACTIVE
Drive End Outside Diameter16.5 MILLIMETERS NOMINAL MM
Wrenching End Opening Depth9.5 MILLIMETERS NOMINAL MM
Wrenching End Outside Diameter14.8 MILLIMETERS NOMINAL MM
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size10.0 MILLIMETERS NOMINAL SINGLE END MM
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-809-126818341 INTERCHANGEABLE
Coil,radio Frequency
Albert Frei & Sons, Inc. Dba Afs
3040-00-838-0702 INTERCHANGEABLE
Lever,manual Control
7510-01-063-4895110001 INTERCHANGEABLE
Typing Element
Federal Marketing Co Div of Virginia Impression Products Inc
4010-01-257-44703-8310 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Pdi Ground Support Systems, Inc.
2530-01-470-149138310 INTERCHANGEABLE
Axle,vehicular,nondriving
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
38-310 Armstrong Bros Tool Co (USA)
38-310 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
38-310 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5950-00-809-1268INTERCHANGEABLE
COIL,RADIO FREQUENCY
18341
3040-00-838-0702INTERCHANGEABLE
LEVER,MANUAL CONTROL
7510-01-063-4895INTERCHANGEABLE
TYPING ELEMENT
110001
4010-01-257-4470INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
3-8310
2530-01-470-1491INTERCHANGEABLE
AXLE,VEHICULAR,NONDRIVING
38310

Frequently Asked Questions

What is NSN 5120-01-581-5792?

NSN 5120-01-581-5792 is a Socket,socket Wrench, manufactured by Armstrong Bros Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-581-5792?

NSN 5120-01-581-5792 has 3 cross-referenced part numbers: 38-310 (Armstrong Bros Tool Co), 38-310 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 38-310 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-581-5792?

There are 5 known substitutes for 5120-01-581-5792: 5950-00-809-1268, 3040-00-838-0702, 7510-01-063-4895 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38-310?

Key specifications for 38-310: Drive End Outside Diameter: 16.5 MILLIMETERS NOMINAL MM; Wrenching End Opening Depth: 9.5 MILLIMETERS NOMINAL MM; Overall Length: 63.5 MILLIMETERS NOMINAL MM; Wrenching End Outside Diameter: 14.8 MILLIMETERS NOMINAL MM. 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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