PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1862780Nut,plain,round

Oshkosh Defense Llc · NSN 5310-00-185-6345 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-185-6345 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-185-6345. Primary manufacturer part number: 1862780.
Features
  • Nut,plain,round — FSC 5310
  • Drive Point Depth: 0.125 INCHES NOMINAL IN
  • Drive Point Width: 0.250 INCHES NOMINAL IN
  • Thread Pitch Diameters: +2.3239 TO 2.3290 INCHES IN
  • Nut Style: ROUND
  • Thread Series: UNS
  • Thread Quantity Per Inch: 18
  • Nominal Thread Size: 2.360 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1005 Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-185-6345, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 29 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-185-6345
Primary Part Number1862780
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusCANCELLED
Drive Point Depth0.125 INCHES NOMINAL IN
Drive Point Width0.250 INCHES NOMINAL IN
Thread Pitch Diameters+2.3239 TO 2.3290 INCHES IN
Nut StyleROUND
Thread SeriesUNS
Thread Quantity Per Inch18
Nominal Thread Size2.360 INCHES IN
Hardness Rating66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM
Drive Point Quantity4
MaterialSTEEL COMP 1005 OVERALL
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Nut Diameter3.1563 INCHES NOMINAL IN
Nut Thickness0.5313 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2530-00-030-13215573524 INTERCHANGEABLE
Armature,electric Brake
U S Army Tank Automotive Command Amsta-Im-Mm
6625-00-089-6701 INTERCHANGEABLE
Meter,null
3110-00-100-032112601853 INTERCHANGEABLE
Cup,tapered Roller Bearing
U S Army Tank Automotive Command Amsta-Im-Mm
5998-00-129-859317163 INTERCHANGEABLE
Circuit Card Assembly
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5920-00-142-7376MDL5 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
5310-00-186-0971 INTERCHANGEABLE
Washer,key
3455-00-239-5619 INTERCHANGEABLE
Cutter,milling,involute Gear
4820-00-287-3911222H3-8 INTERCHANGEABLE
Valve,globe
Crane Co Div Valve Div
5330-00-298-3762 INTERCHANGEABLE
Gasket
6695-00-300-3942924042 INTERCHANGEABLE
Gage,distortion
Curtiss-Wright Controls, Inc. Div Actuation Division
Cross-Reference Index
Part NumberManufacturer
1862780 Oshkosh Defense Llc (USA)
13AD3D2435APC15 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
3174-1PC47 General Signal Corp (USA)
N12 Rexnord Industries Llc (USA)
120158-308PC14 Otis Elevator Co Sub of United Technologies Corp (USA)
N12 Allis-Chalmers Corp (USA)
869T2 Diamond Reo Truck Co (USA)
7ADD2435APC15 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
90097PCM1535 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
MADG2435APC15 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
90190PCM1535 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
53626 Reliance Electric Industrial Co Master Div (USA)
G7851PC101 Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA)
DR2525PC32 Allis-Chalmers Corp (USA)
N12 Westinghouse Electric Corp (USA)
1ES12651 Meritor Heavy Vehicle Systems, Llc (USA)
NP71922ESPC78 Hercules Engine Co Inc (USA)
N12 General Motors Corp (USA)
331320SH2ITEM41 Hercules Engine Co Inc (USA)
53-003-021PC7 Allis-Chalmers Corp (USA)
Related Parts
2530-00-030-1321INTERCHANGEABLE
ARMATURE,ELECTRIC BRAKE
5573524
6625-00-089-6701INTERCHANGEABLE
METER,NULL
3110-00-100-0321INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12601853
5998-00-129-8593INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
17163
5920-00-142-7376INTERCHANGEABLE
FUSE,CARTRIDGE
MDL5
5310-00-186-0971INTERCHANGEABLE
WASHER,KEY
3455-00-239-5619INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
4820-00-287-3911INTERCHANGEABLE
VALVE,GLOBE
222H3-8
5330-00-298-3762INTERCHANGEABLE
GASKET
6695-00-300-3942INTERCHANGEABLE
GAGE,DISTORTION
924042
7035-00-369-6340INTERCHANGEABLE
CLOCK SOURCE
4824
4540-00-394-9004INTERCHANGEABLE
DISC,END

Frequently Asked Questions

What is NSN 5310-00-185-6345?

NSN 5310-00-185-6345 is a Nut,plain,round, manufactured by Oshkosh Defense Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-185-6345?

NSN 5310-00-185-6345 has 50 cross-referenced part numbers: 1862780 (Oshkosh Defense Llc), 13AD3D2435APC15 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 3174-1PC47 (General Signal Corp), N12 (Rexnord Industries Llc), 120158-308PC14 (Otis Elevator Co Sub of United Technologies Corp) and 45 more.

What NSN replaces 5310-00-185-6345?

There are 12 known substitutes for 5310-00-185-6345: 2530-00-030-1321, 6625-00-089-6701, 3110-00-100-0321 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1862780?

Key specifications for 1862780: Drive Point Depth: 0.125 INCHES NOMINAL IN; Drive Point Width: 0.250 INCHES NOMINAL IN; Thread Pitch Diameters: +2.3239 TO 2.3290 INCHES IN; Nut Style: ROUND. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-185-6345 still in active supply?

NSN 5310-00-185-6345 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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