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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 2
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Unit of Measure

Manufacturer

Manufacturer

Robbins Manufacturing Co., Inc.

Specifications

Product

Finished Nut

Thread Size

3/8-24

Stamping

-3

Material

304 Stainless Steel

Codes and Standards

Codes and Standards

MS 51972