PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN8508-17Crowfoot Attachment,socket Wrenc

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-00-181-6764 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-181-6764 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-181-6764. Primary manufacturer part number: AN8508-17.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE AND A DESIGN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Specification/standard Data: 0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: FLARE NUT
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-00-181-6764, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-181-6764
Primary Part NumberAN8508-17
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE AND A DESIGN
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Specification/standard Data0U583-SAE AS4167 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorFLARE NUT
MaterialSTEEL OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Size1.062 INCHES NOMINAL SINGLE END IN
Head Thickness0.781 INCHES NOMINAL IN
Opening Width0.781 INCHES NOMINAL IN
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5120-00-181-6765 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-189-7896 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-224-7288 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-229-2772 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-00-541-4075 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5120-01-348-9466FRS AN850812B INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-348-9467FRS AN850813B INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
AN8508-17 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
GGG-C-1507 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
B107.21 TY1CL1 General Services Administration Federal Supply Service (USA)
AN850817B Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
STP 4934FL Kipper Tool Company Dba Kipper Management Inc (USA)
AN8508-17 Sna Germany Gmbh (DEU)
AS4167 TY1CL1STBDEA General Services Administration Federal Supply Service (USA)
AN8508-17A Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.21 The American Society of Mechanical Engineers (USA)
GGG-C-1507 TY1CL2 General Services Administration Federal Supply Service (USA)
4934FL The Stanley Works Dba Stanley Proto (USA)
AN8508-17 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1FX45 W.w. Grainger, Inc. Div Government Sales Division (USA)
B107.21 TY1CL2STA General Services Administration Federal Supply Service (USA)
AS4167 Society of Automotive Engineers Inc (USA)
AS4167 Sae International Dba Sae International (USA)
J4934FL The Stanley Works Dba Stanley Proto (USA)
Related Parts
5120-00-181-6765INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-189-7896INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-224-7288INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-229-2772INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-00-541-4075INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5120-01-348-9466INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
FRS AN850812B
5120-01-348-9467INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
FRS AN850813B

Frequently Asked Questions

What is NSN 5120-00-181-6764?

NSN 5120-00-181-6764 is a Crowfoot Attachment,socket Wrenc, 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 5120-00-181-6764?

NSN 5120-00-181-6764 has 17 cross-referenced part numbers: AN8508-17 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), GGG-C-1507 (Federal Specifications Promulgated by General Services Administration Washington DC), B107.21 TY1CL1 (General Services Administration Federal Supply Service), AN850817B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), STP 4934FL (Kipper Tool Company Dba Kipper Management Inc) and 12 more.

What NSN replaces 5120-00-181-6764?

There are 7 known substitutes for 5120-00-181-6764: 5120-00-181-6765, 5120-00-189-7896, 5120-00-224-7288 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN8508-17?

Key specifications for AN8508-17: Overall Width: 1.576 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE AND A DESIGN; Drive End Shape: SQUARE SINGLE END INTERNAL; Surface Treatment: CHROMIUM OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-181-6764 still in active supply?

NSN 5120-00-181-6764 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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