PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15104Key,socket Head Screw

Eklind Tool Co · NSN 5120-01-397-5875 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-397-5875 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-397-5875. Primary manufacturer part number: 15104.
Features
  • Key,socket Head Screw — FSC 5120
  • Material: STEEL OVERALL
  • Style Designator: L-HANDLE
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Features Provided: SHORT SERIES
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Size: 0.063 INCHES NOMINAL BOTH ENDS IN
  • 5 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 5120-01-397-5875, 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 5 commercial cross-references from 4 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
NSN5120-01-397-5875
Primary Part Number15104
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEklind Tool Co
StatusCANCELLED
MaterialSTEEL OVERALL
Style DesignatorL-HANDLE
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Features ProvidedSHORT SERIES
Surface TreatmentOXIDE OVERALL
Wrenching Surface Size0.063 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5136-00-189-7818 INTERCHANGEABLE
Tap,thread Cutting
1660-00-536-101915103 INTERCHANGEABLE
Valve Assy,low Pres
Avox Systems Inc Dba Avox Systems Inc
5930-00-776-26737762673 INTERCHANGEABLE
Switch,pressure
U S Army Tank Automotive Command Amsta-Im-Mm
5935-00-865-0679357-9919-000 INTERCHANGEABLE
Adapter,connector
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5330-01-036-35850112-15104LDS INTERCHANGEABLE
Seal,plain
Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems
4820-01-118-92005349T-4PP-3150 INTERCHANGEABLE
Valve,safety Relief
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5940-01-210-317412-408-4-04 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5998-01-323-1905151263-1 INTERCHANGEABLE
Circuit Card Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
6515-01-351-3145ET-116 INTERCHANGEABLE
Tube,extension,injection Set
B. Braun Medical Inc
5120-01-395-810610T INTERCHANGEABLE
Face,hammer,inserted
Nupla Corporation
Cross-Reference Index
Part NumberManufacturer
15104 PRIMARY Eklind Tool Co (USA)
43550004 Internova - Cz Gmbh, Spol. S R.o. (CZE)
ET116 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
151.2631 Jp Stroje S.r.o. (CZE)
10760ACV-1/6 Internova - Cz Gmbh, Spol. S R.o. (CZE)
Related Parts
5136-00-189-7818INTERCHANGEABLE
TAP,THREAD CUTTING
1660-00-536-1019INTERCHANGEABLE
VALVE ASSY,LOW PRES
15103
5930-00-776-2673INTERCHANGEABLE
SWITCH,PRESSURE
7762673
5935-00-865-0679INTERCHANGEABLE
ADAPTER,CONNECTOR
357-9919-000
5330-01-036-3585INTERCHANGEABLE
SEAL,PLAIN
0112-15104LDS
4820-01-118-9200INTERCHANGEABLE
VALVE,SAFETY RELIEF
5349T-4PP-3150
5940-01-210-3174INTERCHANGEABLE
TERMINAL,STUD
12-408-4-04
5998-01-323-1905INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
151263-1
6515-01-351-3145INTERCHANGEABLE
TUBE,EXTENSION,INJECTION SET
ET-116
5120-01-395-8106INTERCHANGEABLE
FACE,HAMMER,INSERTED
10T
5133-01-413-3644INTERCHANGEABLE
DRILL,MULTI-STEP
15104
5305-01-479-2919INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
15104

Frequently Asked Questions

What is NSN 5120-01-397-5875?

NSN 5120-01-397-5875 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 5120-01-397-5875?

NSN 5120-01-397-5875 has 5 cross-referenced part numbers: 15104 (Eklind Tool Co), 43550004 (Internova - Cz Gmbh, Spol. S R.o.), ET116 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 151.2631 (Jp Stroje S.r.o.), 10760ACV-1/6 (Internova - Cz Gmbh, Spol. S R.o.).

What NSN replaces 5120-01-397-5875?

There are 12 known substitutes for 5120-01-397-5875: 5136-00-189-7818, 1660-00-536-1019, 5930-00-776-2673 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15104?

Key specifications for 15104: Material: STEEL OVERALL; Style Designator: L-HANDLE; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Features Provided: SHORT SERIES. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-397-5875 still in active supply?

NSN 5120-01-397-5875 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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