PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42316Crowfoot Attachment,socket Wrenc

S K Hand Tool Corp · NSN 5120-01-355-1687 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-355-1687 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-355-1687. Primary manufacturer part number: 42316.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Specification/standard Data: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 16.0 MILLIMETERS NOMINAL SINGLE END MM
  • Style Designator: FLARE NUT
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-355-1687, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-355-1687
Primary Part Number42316
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerS K Hand Tool Corp
StatusCANCELLED
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Wrenching Surface Size16.0 MILLIMETERS NOMINAL SINGLE END MM
Style DesignatorFLARE NUT
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5950-00-189-2860006123-01 INTERCHANGEABLE
Transformer,power
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
5133-01-095-6709 INTERCHANGEABLE
Drill,twist
4820-01-238-02254231-6 INTERCHANGEABLE
Stem,fluid Valve
Bath Iron Works Corporation
7330-01-449-23191685-01-11 INTERCHANGEABLE
Jug,insulated
Rubbermaid Inc
5306-01-588-121112759-00999 INTERCHANGEABLE
Bolt,eye
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
B107.21 The American Society of Mechanical Engineers (USA)
B107.100 The American Society of Mechanical Engineers (USA)
42316 PRIMARY S K Hand Tool Corp (USA)
B107.100 CAT 21 TY1CL2 General Services Administration Federal Supply Service (USA)
FRHM16 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.21 TY1CL2 General Services Administration Federal Supply Service (USA)
J4916MHFL PRIMARY The Stanley Works Dba Stanley Proto (USA)
Related Parts
5950-00-189-2860INTERCHANGEABLE
TRANSFORMER,POWER
006123-01
5133-01-095-6709INTERCHANGEABLE
DRILL,TWIST
4820-01-238-0225INTERCHANGEABLE
STEM,FLUID VALVE
4231-6
7330-01-449-2319INTERCHANGEABLE
JUG,INSULATED
1685-01-11
5306-01-588-1211INTERCHANGEABLE
BOLT,EYE
12759-00999

Frequently Asked Questions

What is NSN 5120-01-355-1687?

NSN 5120-01-355-1687 is a Crowfoot Attachment,socket Wrenc, manufactured by S K Hand Tool Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-355-1687?

NSN 5120-01-355-1687 has 7 cross-referenced part numbers: B107.21 (The American Society of Mechanical Engineers), B107.100 (The American Society of Mechanical Engineers), 42316 (S K Hand Tool Corp), B107.100 CAT 21 TY1CL2 (General Services Administration Federal Supply Service), FRHM16 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc) and 2 more.

What NSN replaces 5120-01-355-1687?

There are 5 known substitutes for 5120-01-355-1687: 5950-00-189-2860, 5133-01-095-6709, 4820-01-238-0225 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42316?

Key specifications for 42316: Overall Length: 40.9 MILLIMETERS NOMINAL MM; Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL; Specification/standard Data: 05047-ASME B107.100 CAT 21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-355-1687 still in active supply?

NSN 5120-01-355-1687 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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