PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5120-00-189-2992Key,socket Head Screw

General Services Administration Federal Supply Service · NSN 5120-00-189-2992 · FSC 5120 · No Item Name Available
Verified by PartsTable
Features
  • Key,socket Head Screw — FSC 5120
  • Long Arm Length: 2.312 INCHES NOMINAL IN
  • Short Arm Length: 0.812 INCHES NOMINAL IN
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Style Designator: L-HANDLE
  • Wrenching Surface Size: 0.125 INCHES NOMINAL BOTH ENDS IN
  • Material: COPPER ALLOY OVERALL
  • Features Provided: NONMAGNETIC AND NONSPARKING
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 5120-00-189-2992, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-189-2992
Primary Part Number5120-00-189-2992
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusCANCELLED
Long Arm Length2.312 INCHES NOMINAL IN
Short Arm Length0.812 INCHES NOMINAL IN
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Style DesignatorL-HANDLE
Wrenching Surface Size0.125 INCHES NOMINAL BOTH ENDS IN
MaterialCOPPER ALLOY OVERALL
Features ProvidedNONMAGNETIC AND NONSPARKING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-9145 INTERCHANGEABLE
Bearing,ball,thrust
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
5120-00-189-29865120-00-189-2986 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
5120-00-189-29875120-00-189-2987 INTERCHANGEABLE
Key,socket Head Screw
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
L-4-2554 Ngk Metals Corporation Dba N G K Berylco (USA)
SL6572-77 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
NC3110-344 Dresser Industries Inc Leroi Div (USA)
W-1050-A Ampco Metal Inc. Dba Ampco Metal Inc (USA)
5120-00-189-2992 PRIMARY General Services Administration Federal Supply Service (USA)
A-A-2477 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
NC1700-8 Dresser Industries Inc Leroi Div (USA)
MIL-K-21120 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DH 0032 Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
W-1050-A Ampco Partners, Ltd. Dba Ampco Safety Tools (USA)
L-4 Ngk Metals Corporation Dba N G K Berylco (USA)
Related Parts
3110-00-155-9145INTERCHANGEABLE
BEARING,BALL,THRUST
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
5120-00-189-2986INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5120-00-189-2986
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

Frequently Asked Questions

What is NSN 5120-00-189-2992?

NSN 5120-00-189-2992 is a Key,socket Head Screw, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-189-2992?

NSN 5120-00-189-2992 has 11 cross-referenced part numbers: L-4-2554 (Ngk Metals Corporation Dba N G K Berylco), SL6572-77 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), NC3110-344 (Dresser Industries Inc Leroi Div), W-1050-A (Ampco Metal Inc. Dba Ampco Metal Inc), 5120-00-189-2992 (General Services Administration Federal Supply Service) and 6 more.

What NSN replaces 5120-00-189-2992?

There are 12 known substitutes for 5120-00-189-2992: 3110-00-155-9145, 5120-00-189-2979, 5120-00-189-2980 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5120-00-189-2992?

Key specifications for 5120-00-189-2992: Long Arm Length: 2.312 INCHES NOMINAL IN; Short Arm Length: 0.812 INCHES NOMINAL IN; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Style Designator: L-HANDLE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-189-2992 still in active supply?

NSN 5120-00-189-2992 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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