Made in U.S.A.

Machine screws nuts manufactured domestically by Amerifast Corp. and MRL Mfg.

All nuts are made of 304 Stainless and are stamped with Robbins "R" trademark and "304AN"; AN stands for annealed. Chemicals and physicals showing conformance to MS specifications are available on all items.
  • Material to procurement spec FF-N-836; Fed Std 66; QQ-S-763.
  • Passivated to QQ-P-35.
  • Dimensions, proof load, hardness, threads to MS specs, procurement spec FF-N-836; Fed Std H28/2; Fed Std H28/20 system 21; ANSI B18.2.2.
  • Magnetic permeability to procurement spec FF-N-836.
  • Quality assurance to procurement spec FF-N-836; Mil Std 105.
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Unit of Measure
Items
1228_Machine-Screw-Nuts

Machine Screw Nut, 2-56
1228_Machine-Screw-Nuts

Machine Screw Nut, 4-40
1228_Machine-Screw-Nuts

Machine Screw Nut, 6-32
1228_Machine-Screw-Nuts

Machine Screw Nut, 8-32
1228_Machine-Screw-Nuts

Machine Screw Nut, 10-24
Manufacturer N/A Amerifast Corp. MRL Mfg.
Product N/A Machine Screw Nut
Thread Size N/A 2-56 N/A 4-40 N/A 6-32 N/A 8-32 N/A 10-24
Stamping N/A -224 N/A -244 N/A -264 N/A -284 N/A -204
Codes and Standards N/A MS 35649
Material N/A 304 Stainless Steel
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