PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5B2383Nut,self-Locking,hexagon

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-050-3323 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-050-3323 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-050-3323. Primary manufacturer part number: 5B2383.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Material Document and Classification: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Class: 3B
  • Thread Series: UNF
  • Bearing Surface Type: FLAT
  • Nominal Thread Size: 0.500 INCHES IN
  • Thread Quantity Per Inch: 20
  • Material Document and Classification: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Fiber Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-050-3323, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-050-3323
Primary Part Number5B2383
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Material Document and ClassificationQQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Class3B
Thread SeriesUNF
Bearing Surface TypeFLAT
Nominal Thread Size0.500 INCHES IN
Thread Quantity Per Inch20
Material Document and ClassificationQQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE NUT
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Width Across Flats0.750 INCHES NOMINAL IN
MaterialFIBER LOCKING INSERT
MaterialCOPPER ALLOY NUT
Nut Height0.594 INCHES NOMINAL IN
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN
MaterialCOPPER ALLOY OVERALL
Surface TreatmentCADMIUM OR ZINC NUT
Surface TreatmentCADMIUM OR ZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5935-00-058-43477517B INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5340-00-200-27371756320 INTERCHANGEABLE
Clamp,loop
Naval Ship Systems Command
4930-00-277-9525 INTERCHANGEABLE
Lubricating Gun,handheld
4030-00-407-6512 INTERCHANGEABLE
Hook,guy
6625-00-879-41014991-027 INTERCHANGEABLE
Meter,electrical Frequency
Jewell Instruments Llc
1730-00-979-14055033-23 INTERCHANGEABLE
Rail,end Frame
Columbus Jack Corporation Div Columbus Jack
5940-01-327-1547MT5-7 INTERCHANGEABLE
Terminal,stud
Astro Machine Co Inc Div Astro Machine Company
4730-01-524-21697584A-01 INTERCHANGEABLE
Adapter,straight,hose to Boss
Howell Laboratories Inc Dba Howell Laboratories Inc
9905-01-734-19687584 INTERCHANGEABLE
Sign
Bourne Group, Llc
Cross-Reference Index
Part NumberManufacturer
N3311BN Diamond Reo Truck Co (USA)
7419111 CAGE 00000
503323 Diamond Reo Truck Co (USA)
7584 Fmc Corp (USA)
60400S7S8A1 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
BBSX4AE1 CAGE 00000
360400S7S8A1 Ford Motor Company (USA)
503323 General Motors Corp (USA)
503323 General Motors Llc Dba General Motors Llc (USA)
360400S7S8 Ford Motor Company (USA)
5B2383 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
360400S7S8A1 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
7584 PRIMARY Bae Systems Land & Armaments L.p. (USA)
MT152 Great American Industries Inc (USA)
60400S7S8A1 Ford Motor Company (USA)
360400S7S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
MT57 Great American Industries Inc (USA)
Related Parts
5935-00-058-4347INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7517B
5340-00-200-2737INTERCHANGEABLE
CLAMP,LOOP
1756320
4930-00-277-9525INTERCHANGEABLE
LUBRICATING GUN,HANDHELD
4030-00-407-6512INTERCHANGEABLE
HOOK,GUY
6625-00-879-4101INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
4991-027
1730-00-979-1405INTERCHANGEABLE
RAIL,END FRAME
5033-23
5940-01-327-1547INTERCHANGEABLE
TERMINAL,STUD
MT5-7
4730-01-524-2169INTERCHANGEABLE
ADAPTER,STRAIGHT,HOSE TO BOSS
7584A-01
9905-01-734-1968INTERCHANGEABLE
SIGN
7584

Frequently Asked Questions

What is NSN 5310-00-050-3323?

NSN 5310-00-050-3323 is a Nut,self-Locking,hexagon, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-050-3323?

NSN 5310-00-050-3323 has 17 cross-referenced part numbers: N3311BN (Diamond Reo Truck Co), 7419111, 503323 (Diamond Reo Truck Co), 7584 (Fmc Corp), 60400S7S8A1 (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 12 more.

What NSN replaces 5310-00-050-3323?

There are 9 known substitutes for 5310-00-050-3323: 5935-00-058-4347, 5340-00-200-2737, 4930-00-277-9525 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5B2383?

Key specifications for 5B2383: Material Document and Classification: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Class: 3B; Thread Series: UNF; Bearing Surface Type: FLAT. 17 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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