PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BL8 KLEINKey,socket Head Screw

Kipper Tool Company Dba Kipper Management Inc · NSN 5120-01-367-6977 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-367-6977 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-367-6977. Primary manufacturer part number: BL8 KLEIN.
Features
  • Key,socket Head Screw — FSC 5120
  • Surface Treatment: OXIDE OVERALL
  • Short Arm Length: 0.812 INCHES NOMINAL IN
  • Features Provided: BALL END
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: L-HANDLE
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Material: STEEL OVERALL
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 5120-01-367-6977, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Kipper Tool Company Dba Kipper Management Inc. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-367-6977
Primary Part NumberBL8 KLEIN
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerKipper Tool Company Dba Kipper Management Inc
StatusACTIVE
Surface TreatmentOXIDE OVERALL
Short Arm Length0.812 INCHES NOMINAL IN
Features ProvidedBALL END
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorL-HANDLE
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size0.125 INCHES NOMINAL BOTH ENDS IN
Long Arm Length3.812 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-62161576-1066 INTERCHANGEABLE
Ball,bearing
Raytheon Company Dba Raytheon
3020-00-560-6484BL8 INTERCHANGEABLE
Gear,spur
Breeze-Eastern Llc
5120-01-225-539210972 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
6140-01-713-7621BL-8 INTERCHANGEABLE
Battery,storage
Btech
Cross-Reference Index
Part NumberManufacturer
BL8 KLEIN Kipper Tool Company Dba Kipper Management Inc (USA)
BL8 Klein Tools Inc (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
3110-00-100-6216INTERCHANGEABLE
BALL,BEARING
1576-1066
3020-00-560-6484INTERCHANGEABLE
GEAR,SPUR
BL8
5120-01-225-5392INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
10972
6140-01-713-7621INTERCHANGEABLE
BATTERY,STORAGE
BL-8

Frequently Asked Questions

What is NSN 5120-01-367-6977?

NSN 5120-01-367-6977 is a Key,socket Head Screw, manufactured by Kipper Tool Company Dba Kipper Management Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-367-6977?

NSN 5120-01-367-6977 has 3 cross-referenced part numbers: BL8 KLEIN (Kipper Tool Company Dba Kipper Management Inc), BL8 (Klein Tools Inc), B18.3 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-367-6977?

There are 4 known substitutes for 5120-01-367-6977: 3110-00-100-6216, 3020-00-560-6484, 5120-01-225-5392 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BL8 KLEIN?

Key specifications for BL8 KLEIN: Surface Treatment: OXIDE OVERALL; Short Arm Length: 0.812 INCHES NOMINAL IN; Features Provided: BALL END; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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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