NSN 5120-01-335-1099, 5120013351099
Cancelled -> Replaced by 5120015898719

Federal Supply Classification: FSC 5120 - Hand Tools, Nonedged, Nonpowered
National Item Identification Number: NIIN 013351099
Codification Country: United States
Item Name Code: INC 17106
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 5120-01-335-1099

National Stock Number (NSN) 5120-01-335-1099, or NIIN 013351099, (crowfoot attachment,socket wrench) was assigned March 5, 1991 in the Federal Logistics Information System (FLIS). NIIN 013351099 was cancelled on February 2, 2013, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 5120013351089. This NSN replaces 1 stock number, 5120015898719.

There are 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 23, 2020, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 17106. [A WRENCH COMPONENT WHICH MAY CONTAIN NOTCHES WITHIN AN OPEN END, BOX, OPEN WALL BOX, 2 OR 3 LUG OPEN END WRENCH OPENING HAVING A SQUARE, INTERNAL, FIXED, ECCENTRIC DRIVE PARALLEL TO THE WRENCH OPENING, DESIGNED TO RECEIVE THE EXTERNAL DRIVE END OF A HANDLE, SOCKET WRENCH. ITEMS HAVING AN OPEN END TYPE WRENCH OPENING MAY HAVE A SECOND DRIVE OPENING AT RIGHT ANGLES TO THE WRENCH OPENING. SEE ALSO SOCKET, CROWFOOT WRENCH HEAD AND HEAD, CROWFOOT SOCKET WRENCH.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5120013351099 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

OVERALL LENGTH: (ABHP) 1.047 INCHES NOMINAL
DRIVE END SHAPE: (CTCT) SQUARE SINGLE END INTERNAL
STYLE DESIGNATOR: (STYL) OPEN END CAMBER
WRENCHING SURFACE SIZE: (AJBR) 0.875 INCHES NOMINAL SINGLE END
MATERIAL: (MATT) STEEL OVERALL
SURFACE TREATMENT: (SFTT) CHROMIUM OVERALL
NONDEFINITIVE SPEC/STD DATA: (ZZZT) 2 TYPE AND 1 CLASS
DRIVE SURFACE SIZE: (ATNC) 0.375 INCHES NOMINAL SINGLE END
WRENCHING SURFACE SHAPE: (CRWY) OVAL SINGLE END INTERNAL
SPECIAL FEATURES: (FEAT) WITH SIDE LOCK HOLE
SPECIFICATION/STANDARD DATA: (ZZZK) 05047-ASME B107.21 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD