PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5120-00-189-2986Key,socket Head Screw

General Services Administration Federal Supply Service · NSN 5120-00-189-2986 · FSC 5120 · No Item Name Available
Verified by PartsTable
Features
  • Key,socket Head Screw — FSC 5120
  • Short Arm Length: 1.500 INCHES NOMINAL IN
  • Style Designator: L-HANDLE
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Features Provided: NONMAGNETIC AND NONSPARKING
  • Wrenching Surface Size: 0.375 INCHES NOMINAL BOTH ENDS IN
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: COPPER ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-00-189-2986, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-189-2986
Primary Part Number5120-00-189-2986
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Short Arm Length1.500 INCHES NOMINAL IN
Style DesignatorL-HANDLE
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Features ProvidedNONMAGNETIC AND NONSPARKING
Wrenching Surface Size0.375 INCHES NOMINAL BOTH ENDS IN
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialCOPPER ALLOY OVERALL
Long Arm Length4.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-189-2979L-17 INTERCHANGEABLE
Key,socket Head Screw
Ngk Metals Corporation Dba N G K Berylco
5120-00-189-2980L-16 INTERCHANGEABLE
Key,socket Head Screw
Ngk Metals Corporation Dba N G K Berylco
5120-00-189-2981L-15 INTERCHANGEABLE
Key,socket Head Screw
Ngk Metals Corporation Dba N G K Berylco
5120-00-189-29825120-00-189-2982 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5120-00-189-2983L-13 INTERCHANGEABLE
Key,socket Head Screw
Ngk Metals Corporation Dba N G K Berylco
5120-00-189-2984 INTERCHANGEABLE
Key,socket Head Screw
5120-00-189-2985 INTERCHANGEABLE
Key,socket Head Screw
5120-00-189-29875120-00-189-2987 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5120-00-189-2988 INTERCHANGEABLE
Key,socket Head Screw
5120-00-189-29895120-00-189-2989 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
W-1050-G Ampco Metal Inc. Dba Ampco Metal Inc (USA)
L-10-2560 Ngk Metals Corporation Dba N G K Berylco (USA)
W-1050-G Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
B18.3 The American Society of Mechanical Engineers (USA)
L-10 Ngk Metals Corporation Dba N G K Berylco (USA)
MIL-K-21120 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A-A-2477 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
DH 0090 Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
5120-00-189-2986 PRIMARY General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-189-2979INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
L-17
5120-00-189-2980INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
L-16
5120-00-189-2981INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
L-15
5120-00-189-2982INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2982
5120-00-189-2983INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
L-13
5120-00-189-2984INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2985INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2987INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2987
5120-00-189-2988INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2989INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2989
5120-00-189-2990INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2991INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
L-5

Frequently Asked Questions

What is NSN 5120-00-189-2986?

NSN 5120-00-189-2986 is a Key,socket Head Screw, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-189-2986?

NSN 5120-00-189-2986 has 9 cross-referenced part numbers: W-1050-G (Ampco Metal Inc. Dba Ampco Metal Inc), L-10-2560 (Ngk Metals Corporation Dba N G K Berylco), W-1050-G (Ampco Partners, Ltd. Dba Ampco Safety Tools), B18.3 (The American Society of Mechanical Engineers), L-10 (Ngk Metals Corporation Dba N G K Berylco) and 4 more.

What NSN replaces 5120-00-189-2986?

There are 12 known substitutes for 5120-00-189-2986: 5120-00-189-2979, 5120-00-189-2980, 5120-00-189-2981 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5120-00-189-2986?

Key specifications for 5120-00-189-2986: Short Arm Length: 1.500 INCHES NOMINAL IN; Style Designator: L-HANDLE; Overall Length: 4.875 INCHES NOMINAL IN; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL. 9 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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