About Federal Supply Class 5310
Federal Supply Class 5310 classifies nuts and washers. This FSC class forms the first 4 digits of all NSNs in this category. Items with NSNs starting with 5310 are procured through DLA and may appear in DIBBS solicitations.
Notes
Nuts and washers, including specially designed, are to be classified in this FSC. a. Nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. Washers are a perforated piece of metal, leather, or other materials of various shapes or forms. They are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.
Includes
Locknuts; Eye Nuts; Plain Nuts; Castellated Nuts; Wing Nuts; Plate Nuts; Push on Nuts; Concave and Convex Washers; Flat Washers; Keyed Washers; Lock Washers; Shouldered Washers; Split Washers.
Excludes
Bearing Thrust Washers (FSC 3120); Shims (FSC 5365); Ring Spacers (FSC 5365); Plate Spacers (FSC 5365); Lock Rings (FSC 5365).
NSN Format for FSC 5310
All National Stock Numbers for nuts and washers start with 5310:
FSC 5310 + Country Code + Item Identification Number
PSC Product Code Connection
FSC 5310 is identical to PSC product code 5310. Federal contracts classified under this code appear in FPDS-NG and SAM.gov with PSC code 5310.
View PSC 5310 details →
