PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN850842BCrowfoot Attachment,socket Wrenc

Snap on Uk Holdings Ltd T/a Snap on Tools · NSN 5120-01-348-7310 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-348-7310 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-348-7310. Primary manufacturer part number: AN850842B.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN
  • Material: STEEL OVERALL
  • Style Designator: FLARE NUT
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-348-7310, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Snap on Uk Holdings Ltd T/a Snap on Tools. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 7 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
NSN5120-01-348-7310
Primary Part NumberAN850842B
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSnap on Uk Holdings Ltd T/a Snap on Tools
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN
MaterialSTEEL OVERALL
Style DesignatorFLARE NUT
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Size2.125 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5120-01-348-7318 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-01-428-8033 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-01-428-8210 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
AN850842B Snap on Uk Holdings Ltd T/a Snap on Tools (GBR)
AN8508-34 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AS4167 Society of Automotive Engineers Inc (USA)
AS4167 TY1CL1STCDEA General Services Administration Federal Supply Service (USA)
AS4167 Sae International Dba Sae International (USA)
B107.21 The American Society of Mechanical Engineers (USA)
AS4167 TY2CL1STCDEA General Services Administration Federal Supply Service (USA)
AN8508-34A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
SNA AN850834B Kipper Tool Company Dba Kipper Management Inc (USA)
GAN8508-34A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
GAN850834B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
AN850834B Snap on Uk Holdings Ltd T/a Snap on Tools (GBR)
B107.21 TY1CL1 General Services Administration Federal Supply Service (USA)
AN850834B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
5120-01-348-7318INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-428-8033INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-428-8210INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC

Frequently Asked Questions

What is NSN 5120-01-348-7310?

NSN 5120-01-348-7310 is a Crowfoot Attachment,socket Wrenc, manufactured by Snap on Uk Holdings Ltd T/a Snap on Tools, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-348-7310?

NSN 5120-01-348-7310 has 14 cross-referenced part numbers: AN850842B (Snap on Uk Holdings Ltd T/a Snap on Tools), AN8508-34 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), AS4167 (Society of Automotive Engineers Inc), AS4167 TY1CL1STCDEA (General Services Administration Federal Supply Service), AS4167 (Sae International Dba Sae International) and 9 more.

What NSN replaces 5120-01-348-7310?

There are 3 known substitutes for 5120-01-348-7310: 5120-01-348-7318, 5120-01-428-8033, 5120-01-428-8210. Verify interchangeability with system specifications before substitution.

What are the specifications of AN850842B?

Key specifications for AN850842B: Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND C STYLE AND A DESIGN; Material: STEEL OVERALL; Style Designator: FLARE NUT; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-348-7310 still in active supply?

NSN 5120-01-348-7310 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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