PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS6AKey,socket Head Screw

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-367-3240 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-367-3240 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-367-3240. Primary manufacturer part number: MS6A.
Features
  • Key,socket Head Screw — FSC 5120
  • Wrenching Surface Flute Quantity: 4
  • Style Designator: L-HANDLE
  • Material: STEEL OVERALL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 0.076 INCHES NOMINAL BOTH ENDS IN
  • Wrenching Surface Shape: SPLINE BOTH ENDS EXTERNAL
  • 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 5120-01-367-3240, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-367-3240
Primary Part NumberMS6A
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Wrenching Surface Flute Quantity4
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size0.076 INCHES NOMINAL BOTH ENDS IN
Wrenching Surface ShapeSPLINE BOTH ENDS EXTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2240-00-367-3470MS6A INTERCHANGEABLE
Pawl Lever Arm
Ohio Industries Inc
5120-00-781-8977 INTERCHANGEABLE
Key,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
MS6A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
2240-00-367-3470INTERCHANGEABLE
PAWL LEVER ARM
MS6A
5120-00-781-8977INTERCHANGEABLE
KEY,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5120-01-367-3240?

NSN 5120-01-367-3240 is a Key,socket Head Screw, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-367-3240?

NSN 5120-01-367-3240 has 2 cross-referenced part numbers: MS6A (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B18.3 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-367-3240?

There are 2 known substitutes for 5120-01-367-3240: 2240-00-367-3470, 5120-00-781-8977. Verify interchangeability with system specifications before substitution.

What are the specifications of MS6A?

Key specifications for MS6A: Wrenching Surface Flute Quantity: 4; Style Designator: L-HANDLE; Material: STEEL OVERALL; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-367-3240 still in active supply?

NSN 5120-01-367-3240 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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