PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ET14Key,socket Head Screw

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-397-5816 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-397-5816 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-397-5816. Primary manufacturer part number: ET14.
Features
  • Key,socket Head Screw — FSC 5120
  • Features Provided: SHORT SERIES
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Surface Treatment: OXIDE OVERALL
  • Style Designator: L-HANDLE
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN
  • 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 5120-01-397-5816, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN5120-01-397-5816
Primary Part NumberET14
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Features ProvidedSHORT SERIES
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Surface TreatmentOXIDE OVERALL
Style DesignatorL-HANDLE
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size0.250 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
3110-00-100-3157 INTERCHANGEABLE
Cone and Rollers,tapered Roller
3110-00-100-6170MS19059-2430 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
5136-00-189-7812 INTERCHANGEABLE
Tap,thread Cutting
5133-00-236-4059 INTERCHANGEABLE
Drill,twist
2530-00-351-23783122E733 INTERCHANGEABLE
Arm,steering Gear
Meritor Heavy Vehicle Systems, Llc
5950-00-682-30451225 INTERCHANGEABLE
Coil,telephone
A M I/ Coast Magnetics Inc. Dba Coast Magnetics
3040-01-027-135915116 INTERCHANGEABLE
Clamp,hub
H-K Connecticut Holding Company
5340-01-060-925015116 INTERCHANGEABLE
Clamp,loop
Haldex Brake Products Corporation
5360-01-220-802815116 INTERCHANGEABLE
Spring,helical,compression
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
43550016 Internova - Cz Gmbh, Spol. S R.o. (CZE)
15116 Eklind Tool Co (USA)
151.2640 Jp Stroje S.r.o. (CZE)
B18.3 The American Society of Mechanical Engineers (USA)
10760ACV-1/4 Internova - Cz Gmbh, Spol. S R.o. (CZE)
ET14 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
3110-00-100-3157INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
3110-00-100-6170INTERCHANGEABLE
BALL,BEARING
MS19059-2430
5136-00-189-7812INTERCHANGEABLE
TAP,THREAD CUTTING
5133-00-236-4059INTERCHANGEABLE
DRILL,TWIST
2530-00-351-2378INTERCHANGEABLE
ARM,STEERING GEAR
3122E733
5950-00-682-3045INTERCHANGEABLE
COIL,TELEPHONE
1225
3040-01-027-1359INTERCHANGEABLE
CLAMP,HUB
15116
5340-01-060-9250INTERCHANGEABLE
CLAMP,LOOP
15116
5360-01-220-8028INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
15116

Frequently Asked Questions

What is NSN 5120-01-397-5816?

NSN 5120-01-397-5816 is a Key,socket Head Screw, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-397-5816?

NSN 5120-01-397-5816 has 6 cross-referenced part numbers: 43550016 (Internova - Cz Gmbh, Spol. S R.o.), 15116 (Eklind Tool Co), 151.2640 (Jp Stroje S.r.o.), B18.3 (The American Society of Mechanical Engineers), 10760ACV-1/4 (Internova - Cz Gmbh, Spol. S R.o.) and 1 more.

What NSN replaces 5120-01-397-5816?

There are 9 known substitutes for 5120-01-397-5816: 3110-00-100-3157, 3110-00-100-6170, 5136-00-189-7812 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ET14?

Key specifications for ET14: Features Provided: SHORT SERIES; Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL; Surface Treatment: OXIDE OVERALL; Style Designator: L-HANDLE. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-397-5816 still in active supply?

NSN 5120-01-397-5816 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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