PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16504Key,socket Head Screw

Eklind Tool Co · NSN 5120-01-428-8038 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-428-8038 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-428-8038. Primary manufacturer part number: 16504.
Features
  • Key,socket Head Screw — FSC 5120
  • Features Provided: SHORT SERIES
  • Specification/standard Data: 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 2.0 MILLIMETERS NOMINAL BOTH ENDS MM
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Surface Treatment: ZINC OVERALL
  • Style Designator: L-HANDLE
  • 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 5120-01-428-8038, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Eklind Tool Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-428-8038
Primary Part Number16504
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEklind Tool Co
StatusCANCELLED
Features ProvidedSHORT SERIES
Specification/standard Data05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size2.0 MILLIMETERS NOMINAL BOTH ENDS MM
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Surface TreatmentZINC OVERALL
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5930-00-052-312916-504 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
4820-00-180-5207 INTERCHANGEABLE
Seat,valve
9540-00-231-9937 INTERCHANGEABLE
Beam,structural
9540-00-232-0076 INTERCHANGEABLE
Beam,structural
2530-00-405-419516-504 INTERCHANGEABLE
Arm,pivoting Wheel Spindle
Pdi Ground Support Systems, Inc.
5935-00-500-87482Z7390-58 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5940-00-901-1405 INTERCHANGEABLE
Terminal,stud
5930-01-052-7295 INTERCHANGEABLE
Switch,sensitive
5305-01-274-258716504 INTERCHANGEABLE
Screw,cap,socket Head
Sps Technologies, Llc Dba PB Fasteners
5970-01-279-030016504 INTERCHANGEABLE
Insulator,switch
Itw Food Equipment Group Llc Dba Hobart Service
Cross-Reference Index
Part NumberManufacturer
16504 PRIMARY Eklind Tool Co (USA)
AWM2D Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
ZLW0284-1 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AWM2C Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B18.3.2 The American Society of Mechanical Engineers (USA)
ZHVY0218-1 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5930-00-052-3129INTERCHANGEABLE
SWITCH,SENSITIVE
16-504
4820-00-180-5207INTERCHANGEABLE
SEAT,VALVE
9540-00-231-9937INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-232-0076INTERCHANGEABLE
BEAM,STRUCTURAL
2530-00-405-4195INTERCHANGEABLE
ARM,PIVOTING WHEEL SPINDLE
16-504
5935-00-500-8748INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2Z7390-58
5940-00-901-1405INTERCHANGEABLE
TERMINAL,STUD
5930-01-052-7295INTERCHANGEABLE
SWITCH,SENSITIVE
5305-01-274-2587INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
16504
5970-01-279-0300INTERCHANGEABLE
INSULATOR,SWITCH
16504
6515-01-589-7887INTERCHANGEABLE
RACK,BONE PLATING INSTRUMENTS
60.240.206

Frequently Asked Questions

What is NSN 5120-01-428-8038?

NSN 5120-01-428-8038 is a Key,socket Head Screw, manufactured by Eklind Tool Co, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-428-8038?

NSN 5120-01-428-8038 has 6 cross-referenced part numbers: 16504 (Eklind Tool Co), AWM2D (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), ZLW0284-1 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AWM2C (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B18.3.2 (The American Society of Mechanical Engineers) and 1 more.

What NSN replaces 5120-01-428-8038?

There are 11 known substitutes for 5120-01-428-8038: 5930-00-052-3129, 4820-00-180-5207, 9540-00-231-9937 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16504?

Key specifications for 16504: Overall Length: 47.7 MILLIMETERS NOMINAL MM; Features Provided: SHORT SERIES; Specification/standard Data: 05047-ASME B18.3.2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Wrenching Surface Size: 2.0 MILLIMETERS NOMINAL BOTH ENDS MM. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-428-8038 still in active supply?

NSN 5120-01-428-8038 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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