PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37020Nut,self-Locking,hexagon

Fastenal Company Dba Fastenal Co · NSN 5310-01-616-9215 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-616-9215 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-616-9215. Primary manufacturer part number: 37020.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nominal Thread Size: 20.000 INCHES IN
  • Nut Style: INTERNAL OR EXTERNAL WRENCHING HEXAGON
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 20
  • Material: STEEL NUT
  • Nondefinitive Spec/std Data: 2 GRADE AND 0.218 THICKNESS AND LOCKNUT TYPE AND 0.0050 POUNDS WEIGHT LBS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-616-9215, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-616-9215
Primary Part Number37020
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Nominal Thread Size20.000 INCHES IN
Nut StyleINTERNAL OR EXTERNAL WRENCHING HEXAGON
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch20
MaterialSTEEL NUT
Nondefinitive Spec/std Data2 GRADE AND 0.218 THICKNESS AND LOCKNUT TYPE AND 0.0050 POUNDS WEIGHT LBS
Surface TreatmentZINC NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6850-01-307-409537020 7.5OZ KT INTERCHANGEABLE
Sealer,chemical
Evoqua Water Technologies Llc
Cross-Reference Index
Part NumberManufacturer
37020 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
6850-01-307-4095INTERCHANGEABLE
SEALER,CHEMICAL
37020 7.5OZ KT

Frequently Asked Questions

What is NSN 5310-01-616-9215?

NSN 5310-01-616-9215 is a Nut,self-Locking,hexagon, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-616-9215?

NSN 5310-01-616-9215 has 1 cross-referenced part number: 37020 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-616-9215?

There is 1 known substitute for 5310-01-616-9215: 6850-01-307-4095. Verify interchangeability with system specifications before substitution.

What are the specifications of 37020?

Key specifications for 37020: Nominal Thread Size: 20.000 INCHES IN; Nut Style: INTERNAL OR EXTERNAL WRENCHING HEXAGON; End Item Identification: 2355015393639; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. 11 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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