PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37033Nut,self-Locking,hexagon

Fastenal Company Dba Fastenal Co · NSN 5310-01-646-0439 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-646-0439 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-646-0439. Primary manufacturer part number: 37033.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Thread Class: 2B
  • Width Across Flats: 0.875 INCHES NOMINAL IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 12
  • Nut Height: 0.656 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-646-0439, 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 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-646-0439
Primary Part Number37033
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Thread Class2B
Width Across Flats0.875 INCHES NOMINAL IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch12
Nut Height0.656 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nominal Thread Size0.562 INCHES IN
Nut StyleHEXAGON
Surface TreatmentZINC NUT
MaterialSTEEL NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2530-00-481-23092908735 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Chrysler Realty Company Llc Dba Daimler Chrysler
3010-01-154-28853-7033 INTERCHANGEABLE
Motor-Transmission
Control Technology Co Inc Dba Control Technology Co Inc
5340-01-479-224637033 INTERCHANGEABLE
Plate,mounting
Hamilton Sundstrand Corporation Dba Collins Aerospace
5836-01-659-805337033 INTERCHANGEABLE
Camera-Recording,video
Applied Research Associates, Inc.
Cross-Reference Index
Part NumberManufacturer
37033 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
2530-00-481-2309INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
2908735
3010-01-154-2885INTERCHANGEABLE
MOTOR-TRANSMISSION
3-7033
5340-01-479-2246INTERCHANGEABLE
PLATE,MOUNTING
37033
5836-01-659-8053INTERCHANGEABLE
CAMERA-RECORDING,VIDEO
37033

Frequently Asked Questions

What is NSN 5310-01-646-0439?

NSN 5310-01-646-0439 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 5310-01-646-0439?

NSN 5310-01-646-0439 has 1 cross-referenced part number: 37033 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-646-0439?

There are 4 known substitutes for 5310-01-646-0439: 2530-00-481-2309, 3010-01-154-2885, 5340-01-479-2246 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37033?

Key specifications for 37033: Material: PLASTIC POLYAMIDE NYLON LOCKING INSERT; Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; End Item Identification: F-15SA; Thread Class: 2B. 14 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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