PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68016Key,socket Head Screw

Allen Mfg Co Sub of Chicago Pneumatic Tool Co · NSN 5120-00-198-5391 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-198-5391 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-198-5391. Primary manufacturer part number: 68016.
Features
  • Key,socket Head Screw — FSC 5120
  • Wrenching Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN
  • Surface Treatment: OXIDE OR ZINC OVERALL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Style Designator: L-HANDLE
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
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 5120-00-198-5391, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Allen Mfg Co Sub of Chicago Pneumatic Tool Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 12 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
NSN5120-00-198-5391
Primary Part Number68016
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAllen Mfg Co Sub of Chicago Pneumatic Tool Co
StatusCANCELLED
Wrenching Surface Size0.500 INCHES NOMINAL BOTH ENDS IN
Surface TreatmentOXIDE OR ZINC OVERALL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Style DesignatorL-HANDLE
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
MaterialSTEEL OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Features ProvidedSHORT SERIES
Short Arm Length1.531 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
Long Arm Length5.156 INCHES MINIMUM AND 5.344 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-229-68493587RPD INTERCHANGEABLE
Seal,stabilizer
Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems
4730-00-277-52463587 INTERCHANGEABLE
Union,pipe to Tube
The Walworth Company
2815-00-384-9369 INTERCHANGEABLE
Ring,piston
3030-00-529-0471 INTERCHANGEABLE
Belt,v
4730-00-580-64538891-16D INTERCHANGEABLE
Elbow,tube to Hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5950-00-660-7071WM-3587 INTERCHANGEABLE
Transformer,power Autotransforme
Magnetic Components Inc
4730-00-790-9737 INTERCHANGEABLE
Reducer,tube
4820-01-165-317768016 INTERCHANGEABLE
Face,valve Plate
Eaton Aerospace, Llc Dba Jackson South
7310-01-190-9816 INTERCHANGEABLE
Pump Impeller,beverage Dispenser
4730-01-273-57313587 INTERCHANGEABLE
Nipple,pipe
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
68016 Allen Mfg Co Sub of Chicago Pneumatic Tool Co (USA)
P23Y21 Elliott Company Div Jeannette (USA)
57032 Apex Tool Group, Llc Dba Nicholson (USA)
358-7 Bermingham Construction Ltd Div Bermingham Foundation Equipment (CAN)
57032 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
B18.3 The American Society of Mechanical Engineers (USA)
GGG-K-275 TY1CL1 General Services Administration Federal Supply Service (USA)
024-0067-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
AW16D Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
W800358-54 Elliott Company Div Jeannette (USA)
A-A-2473 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GGG-K-275 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
024-0067-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
AW16 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
61085601 Msc Industrial Supply (USA)
W800358-65D Elliott Company Div Jeannette (USA)
Related Parts
5330-00-229-6849INTERCHANGEABLE
SEAL,STABILIZER
3587RPD
4730-00-277-5246INTERCHANGEABLE
UNION,PIPE TO TUBE
3587
2815-00-384-9369INTERCHANGEABLE
RING,PISTON
3030-00-529-0471INTERCHANGEABLE
BELT,V
4730-00-580-6453INTERCHANGEABLE
ELBOW,TUBE TO HOSE
8891-16D
5950-00-660-7071INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
WM-3587
4730-00-790-9737INTERCHANGEABLE
REDUCER,TUBE
4820-01-165-3177INTERCHANGEABLE
FACE,VALVE PLATE
68016
7310-01-190-9816INTERCHANGEABLE
PUMP IMPELLER,BEVERAGE DISPENSER
4730-01-273-5731INTERCHANGEABLE
NIPPLE,PIPE
3587
5120-01-335-2096INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5950-01-392-9975INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
9100-4498

Frequently Asked Questions

What is NSN 5120-00-198-5391?

NSN 5120-00-198-5391 is a Key,socket Head Screw, manufactured by Allen Mfg Co Sub of Chicago Pneumatic Tool Co, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-198-5391?

NSN 5120-00-198-5391 has 16 cross-referenced part numbers: 68016 (Allen Mfg Co Sub of Chicago Pneumatic Tool Co), P23Y21 (Elliott Company Div Jeannette), 57032 (Apex Tool Group, Llc Dba Nicholson), 358-7 (Bermingham Construction Ltd Div Bermingham Foundation Equipment), 57032 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.) and 11 more.

What NSN replaces 5120-00-198-5391?

There are 12 known substitutes for 5120-00-198-5391: 5330-00-229-6849, 4730-00-277-5246, 2815-00-384-9369 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68016?

Key specifications for 68016: Overall Length: 5.654 INCHES MINIMUM AND 5.844 INCHES MAXIMUM IN; Wrenching Surface Size: 0.500 INCHES NOMINAL BOTH ENDS IN; Surface Treatment: OXIDE OR ZINC OVERALL; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-198-5391 still in active supply?

NSN 5120-00-198-5391 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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