PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43910Socket,socket Wrench

S K Hand Tool Corp · NSN 5120-01-335-0947 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-0947 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-0947. Primary manufacturer part number: 43910.
Features
  • Socket,socket Wrench — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Specification/standard Data: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Size: 0.312 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-335-0947, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is S K Hand Tool Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-0947
Primary Part Number43910
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size0.312 INCHES NOMINAL SINGLE END IN
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5930-00-800-5243 INTERCHANGEABLE
Switch,liquid Level
5305-01-439-203643910 INTERCHANGEABLE
Thumbscrew
Jergens Inc Div Tooling Components Division
4520-01-523-237743910 INTERCHANGEABLE
Heating Element,electrical,immer
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
43910 S K Hand Tool Corp (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
4492861272 Lemvigh-Muller A/s (DNK)
B107.1 The American Society of Mechanical Engineers (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
AS954 Society of Automotive Engineers Inc (USA)
P39597 Martin-Baker Aircraft Company Limited (GBR)
TMD10 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5930-00-800-5243INTERCHANGEABLE
SWITCH,LIQUID LEVEL
5305-01-439-2036INTERCHANGEABLE
THUMBSCREW
43910
4520-01-523-2377INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
43910

Frequently Asked Questions

What is NSN 5120-01-335-0947?

NSN 5120-01-335-0947 is a Socket,socket Wrench, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-335-0947?

NSN 5120-01-335-0947 has 9 cross-referenced part numbers: 43910 (S K Hand Tool Corp), AS954 TY1CL1STA (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), 4492861272 (Lemvigh-Muller A/s), B107.1 (The American Society of Mechanical Engineers) and 4 more.

What NSN replaces 5120-01-335-0947?

There are 3 known substitutes for 5120-01-335-0947: 5930-00-800-5243, 5305-01-439-2036, 4520-01-523-2377. Verify interchangeability with system specifications before substitution.

What are the specifications of 43910?

Key specifications for 43910: Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL; Style Designator: INTERNAL-INTERNAL; Material: STEEL OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-0947 still in active supply?

NSN 5120-01-335-0947 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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