PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ET516Key,socket Head Screw

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-652-2422 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-652-2422 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-652-2422. Primary manufacturer part number: ET516.
Features
  • Key,socket Head Screw — FSC 5120
  • Long Arm Length: 3.750 INCHES NOMINAL IN
  • Short Arm Length: 1.250 INCHES NOMINAL IN
  • Style Designator: L-HANDLE
  • Material: STEEL OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Wrenching Surface Size: 0.313 INCHES NOMINAL BOTH ENDS IN
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 5120-01-652-2422, 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 3 commercial cross-references from 2 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
NSN5120-01-652-2422
Primary Part NumberET516
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
Long Arm Length3.750 INCHES NOMINAL IN
Short Arm Length1.250 INCHES NOMINAL IN
Style DesignatorL-HANDLE
MaterialSTEEL OVERALL
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Wrenching Surface Size0.313 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-31600-1006B INTERCHANGEABLE
Cone and Rollers,tapered Roller
Cnh Industrial America Llc Dba Cnh America
5136-00-189-7825 INTERCHANGEABLE
Tap,thread Cutting
5133-00-236-4069 INTERCHANGEABLE
Drill,twist
3455-00-254-847515120 INTERCHANGEABLE
Cutter,milling,screw Slotting
F & D Tool Co Inc
5950-00-405-9205 INTERCHANGEABLE
Transformer,power
5340-00-828-36321218N92 INTERCHANGEABLE
Clip,retaining
Meritor Heavy Vehicle Systems, Llc
3040-01-027-136115120 INTERCHANGEABLE
Collar,shaft
H-K Connecticut Holding Company
4310-01-235-5646 INTERCHANGEABLE
Vacuum Pump Unit,rotary
5310-01-343-9737 INTERCHANGEABLE
Nut,plain,square
5940-01-438-397115120 INTERCHANGEABLE
Terminal Board
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
FRS ET516 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
15120 Eklind Tool Co (USA)
ET516 PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
3110-00-100-3160INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
0-1006B
5136-00-189-7825INTERCHANGEABLE
TAP,THREAD CUTTING
5133-00-236-4069INTERCHANGEABLE
DRILL,TWIST
3455-00-254-8475INTERCHANGEABLE
CUTTER,MILLING,SCREW SLOTTING
15120
5950-00-405-9205INTERCHANGEABLE
TRANSFORMER,POWER
5340-00-828-3632INTERCHANGEABLE
CLIP,RETAINING
1218N92
3040-01-027-1361INTERCHANGEABLE
COLLAR,SHAFT
15120
4310-01-235-5646INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY
5310-01-343-9737INTERCHANGEABLE
NUT,PLAIN,SQUARE
5940-01-438-3971INTERCHANGEABLE
TERMINAL BOARD
15120
6150-01-582-6776INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
15120
1005-01-643-8289INTERCHANGEABLE
LEG SPIKES
15120

Frequently Asked Questions

What is NSN 5120-01-652-2422?

NSN 5120-01-652-2422 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 5120-01-652-2422?

NSN 5120-01-652-2422 has 3 cross-referenced part numbers: FRS ET516 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 15120 (Eklind Tool Co), ET516 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-652-2422?

There are 12 known substitutes for 5120-01-652-2422: 3110-00-100-3160, 5136-00-189-7825, 5133-00-236-4069 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ET516?

Key specifications for ET516: End Item Identification: SATS; Long Arm Length: 3.750 INCHES NOMINAL IN; Short Arm Length: 1.250 INCHES NOMINAL IN; Style Designator: L-HANDLE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-652-2422 still in active supply?

NSN 5120-01-652-2422 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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