PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15109Key,socket Head Screw

Eklind Tool Co · NSN 5120-01-397-5881 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-397-5881 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-397-5881. Primary manufacturer part number: 15109.
Features
  • Key,socket Head Screw — FSC 5120
  • Style Designator: L-HANDLE
  • Features Provided: SHORT SERIES
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Wrenching Surface Size: 0.141 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL OVERALL
  • 10 verified cross-references
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 5120-01-397-5881, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-397-5881
Primary Part Number15109
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEklind Tool Co
StatusCANCELLED
Style DesignatorL-HANDLE
Features ProvidedSHORT SERIES
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Wrenching Surface Size0.141 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5133-00-236-4043 INTERCHANGEABLE
Drill,twist
5210-00-266-70475210-00-266-7047 INTERCHANGEABLE
Dividers,mechanics'
General Services Administration Federal Supply Service
4820-00-886-3539 INTERCHANGEABLE
Disk,valve
5120-00-889-21637122A19 INTERCHANGEABLE
Key,socket Head Screw
Mcmaster-Carr Supply Co
5961-00-905-7502 INTERCHANGEABLE
Transistor
5120-01-335-2116 INTERCHANGEABLE
Key,socket Head Screw
5305-01-564-292012759-00755 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
7025-01-647-969515109 INTERCHANGEABLE
Interface Unit,automatic Data Pr
Extreme Networks, Inc
4710-01-653-30826401200 INTERCHANGEABLE
Tube Opener
Draeger Inc
Cross-Reference Index
Part NumberManufacturer
57018 Lom Praha S.p. (CZE)
10760ACV-9/64 Internova - Cz Gmbh, Spol. S R.o. (CZE)
FRS ET964 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
159A-9/64 Pronax Group S.r.o. (CZE)
6401200 Pronax Group S.r.o. (CZE)
0159100073000 Pronax Group S.r.o. (CZE)
43550009 Internova - Cz Gmbh, Spol. S R.o. (CZE)
15109 PRIMARY Eklind Tool Co (USA)
ET964 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
151.2636 Jp Stroje S.r.o. (CZE)
Related Parts
5133-00-236-4043INTERCHANGEABLE
DRILL,TWIST
5210-00-266-7047INTERCHANGEABLE
DIVIDERS,MECHANICS'
5210-00-266-7047
4820-00-886-3539INTERCHANGEABLE
DISK,VALVE
5120-00-889-2163INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
7122A19
5961-00-905-7502INTERCHANGEABLE
TRANSISTOR
5120-01-335-2116INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
5305-01-564-2920INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
12759-00755
7025-01-647-9695INTERCHANGEABLE
INTERFACE UNIT,AUTOMATIC DATA PR
15109
4710-01-653-3082INTERCHANGEABLE
TUBE OPENER
6401200

Frequently Asked Questions

What is NSN 5120-01-397-5881?

NSN 5120-01-397-5881 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 5120-01-397-5881?

NSN 5120-01-397-5881 has 10 cross-referenced part numbers: 57018 (Lom Praha S.p.), 10760ACV-9/64 (Internova - Cz Gmbh, Spol. S R.o.), FRS ET964 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 159A-9/64 (Pronax Group S.r.o.), 6401200 (Pronax Group S.r.o.) and 5 more.

What NSN replaces 5120-01-397-5881?

There are 9 known substitutes for 5120-01-397-5881: 5133-00-236-4043, 5210-00-266-7047, 4820-00-886-3539 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15109?

Key specifications for 15109: Style Designator: L-HANDLE; Features Provided: SHORT SERIES; Surface Treatment: OXIDE OVERALL; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-397-5881 still in active supply?

NSN 5120-01-397-5881 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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