PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B18.3Key Set,socket Head Screw

The American Society of Mechanical Engineers · NSN 5120-00-087-6415 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-087-6415 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-087-6415. Primary manufacturer part number: B18.3.
Features
  • Key Set,socket Head Screw — FSC 5120
  • Key Quantity: 7
  • Handle Type: L-STYLE
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Features Provided: SHORT SERIES
  • Key Characteristic: CONTAINS SPLINE KEYS SIZE 0.060 (6 FLUTE), 0.069 (4 FLUTE), 0.072 (6 FLUTE), 0.096 (6 FLUTE), 0.111 (6 FLUTE), 0.145 (6 FLUTE) AND 0.183 IN. (6 FLUTE) IN
  • 3 verified cross-references
  • Primary manufacturer: The American Society of Mechanical Engineers
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Key Set,socket Head Screw, cataloged under National Stock Number 5120-00-087-6415, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-087-6415
Primary Part NumberB18.3
Item NameKey Set,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThe American Society of Mechanical Engineers
StatusCANCELLED
Key Quantity7
Handle TypeL-STYLE
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Features ProvidedSHORT SERIES
Key CharacteristicCONTAINS SPLINE KEYS SIZE 0.060 (6 FLUTE), 0.069 (4 FLUTE), 0.072 (6 FLUTE), 0.096 (6 FLUTE), 0.111 (6 FLUTE), 0.145 (6 FLUTE) AND 0.183 IN. (6 FLUTE) IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5120-00-017-6166 INTERCHANGEABLE
Key Set,socket Head Screw
5120-00-970-8947 INTERCHANGEABLE
Key Set,socket Head Screw
Cross-Reference Index
Part NumberManufacturer
B18.3 The American Society of Mechanical Engineers (USA)
GGG-K-00275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-K-00275 TY2CL1 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-017-6166INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
5120-00-970-8947INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW

Frequently Asked Questions

What is NSN 5120-00-087-6415?

NSN 5120-00-087-6415 is a Key Set,socket Head Screw, manufactured by The American Society of Mechanical Engineers, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-087-6415?

NSN 5120-00-087-6415 has 3 cross-referenced part numbers: B18.3 (The American Society of Mechanical Engineers), GGG-K-00275 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-K-00275 TY2CL1 (General Services Administration Federal Supply Service).

What NSN replaces 5120-00-087-6415?

There are 2 known substitutes for 5120-00-087-6415: 5120-00-017-6166, 5120-00-970-8947. Verify interchangeability with system specifications before substitution.

What are the specifications of B18.3?

Key specifications for B18.3: Key Quantity: 7; Handle Type: L-STYLE; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Features Provided: SHORT SERIES. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-087-6415 still in active supply?

NSN 5120-00-087-6415 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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