PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58320Key,socket Head Screw

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-431-7207 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-431-7207 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-431-7207. Primary manufacturer part number: 58320.
Features
  • Key,socket Head Screw — FSC 5120
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Style Designator: L-HANDLE
  • Material: STEEL OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN
  • Features Provided: BALL END AND LONG SERIES
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-431-7207, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-431-7207
Primary Part Number58320
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Surface TreatmentOXIDE OVERALL
Wrenching Surface Size0.250 INCHES NOMINAL BOTH ENDS IN
Features ProvidedBALL END AND LONG SERIES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-223-95561204-1 INTERCHANGEABLE
Extractor,stuffing Box and Pump
C. S. Osborne and Company Dba Cs Osborne & Co
6625-01-049-0387 INTERCHANGEABLE
Counter,electronic,digital Reado
5310-01-406-9230J-968 PIECE 22 1-1/2IN INTERCHANGEABLE
Nut,plain,hexagon
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
58320 Apex Tool Group, Llc Dba Nicholson (USA)
58320 Easco Hand Tools Inc (USA)
Related Parts
5120-00-223-9556INTERCHANGEABLE
EXTRACTOR,STUFFING BOX AND PUMP
1204-1
6625-01-049-0387INTERCHANGEABLE
COUNTER,ELECTRONIC,DIGITAL READO
5310-01-406-9230INTERCHANGEABLE
NUT,PLAIN,HEXAGON
J-968 PIECE 22 1-1/2IN

Frequently Asked Questions

What is NSN 5120-01-431-7207?

NSN 5120-01-431-7207 is a Key,socket Head Screw, 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 5120-01-431-7207?

NSN 5120-01-431-7207 has 2 cross-referenced part numbers: 58320 (Apex Tool Group, Llc Dba Nicholson), 58320 (Easco Hand Tools Inc).

What NSN replaces 5120-01-431-7207?

There are 3 known substitutes for 5120-01-431-7207: 5120-00-223-9556, 6625-01-049-0387, 5310-01-406-9230. Verify interchangeability with system specifications before substitution.

What are the specifications of 58320?

Key specifications for 58320: Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Style Designator: L-HANDLE; Material: STEEL OVERALL; Surface Treatment: OXIDE OVERALL. 6 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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