PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12-860Crowfoot Attachment,socket Wrenc

Armstrong Bros Tool Co · NSN 5120-01-367-3329 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-367-3329 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-367-3329. Primary manufacturer part number: 12-860.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN
  • Surface Treatment: CHROMIUM OVERALL
  • Style Designator: OPEN END
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-367-3329, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Armstrong Bros Tool Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-367-3329
Primary Part Number12-860
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmstrong Bros Tool Co
StatusACTIVE
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size1.000 INCHES NOMINAL SINGLE END IN
Surface TreatmentCHROMIUM OVERALL
Style DesignatorOPEN END
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2240-00-632-4559 INTERCHANGEABLE
Bell Ringer Assy
6685-00-793-8019 INTERCHANGEABLE
Pyrometer,indicating
4730-01-165-4703 INTERCHANGEABLE
Reducer,tube
5331-01-170-307312860 INTERCHANGEABLE
O-Ring
Emerson Electric Co H and H Precision Products in-Sink-Erator Div
6150-01-173-858212860 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5340-01-499-100712860 INTERCHANGEABLE
Bracket,mounting
Dh Instruments Inc.
6625-01-651-6467VP9191 INTERCHANGEABLE
Voltmeter
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
Cross-Reference Index
Part NumberManufacturer
12-860 Armstrong Bros Tool Co (USA)
12-860 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
12-860 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
2240-00-632-4559INTERCHANGEABLE
BELL RINGER ASSY
6685-00-793-8019INTERCHANGEABLE
PYROMETER,INDICATING
4730-01-165-4703INTERCHANGEABLE
REDUCER,TUBE
5331-01-170-3073INTERCHANGEABLE
O-RING
12860
6150-01-173-8582INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12860
5340-01-499-1007INTERCHANGEABLE
BRACKET,MOUNTING
12860
6625-01-651-6467INTERCHANGEABLE
VOLTMETER
VP9191

Frequently Asked Questions

What is NSN 5120-01-367-3329?

NSN 5120-01-367-3329 is a Crowfoot Attachment,socket Wrenc, manufactured by Armstrong Bros Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-367-3329?

NSN 5120-01-367-3329 has 3 cross-referenced part numbers: 12-860 (Armstrong Bros Tool Co), 12-860 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 12-860 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-367-3329?

There are 7 known substitutes for 5120-01-367-3329: 2240-00-632-4559, 6685-00-793-8019, 4730-01-165-4703 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12-860?

Key specifications for 12-860: Drive End Shape: SQUARE SINGLE END INTERNAL; Wrenching Surface Shape: OVAL SINGLE END INTERNAL; Material: STEEL OVERALL; Wrenching Surface Size: 1.000 INCHES NOMINAL SINGLE END IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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