PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CR139850PC118Nut,plain,round

Eaton Aerospace, Llc Dba Jackson South · NSN 5310-00-185-6339 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-185-6339 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-185-6339. Primary manufacturer part number: CR139850PC118.
Features
  • Nut,plain,round — FSC 5310
  • Nut Style: ROUND
  • Nominal Thread Size: 4.325 INCHES IN
  • Thread Series: UNS
  • Thread Quantity Per Inch: 12
  • Hardness Rating: 66.0 ROCKWELL B MINIMUM AND 99.0 ROCKWELL B MAXIMUM
  • Nut Thickness: 0.7813 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
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 5310-00-185-6339, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 41 commercial cross-references from 24 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
NSN5310-00-185-6339
Primary Part NumberCR139850PC118
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Nut StyleROUND
Nominal Thread Size4.325 INCHES IN
Thread SeriesUNS
Thread Quantity Per Inch12
Hardness Rating66.0 ROCKWELL B MINIMUM AND 99.0 ROCKWELL B MAXIMUM
Nut Thickness0.7813 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Drive Point Depth0.1875 INCHES NOMINAL IN
Nut Diameter5.7188 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
MaterialSTEEL COMP 1005 OVERALL
Drive Point Width0.500 INCHES NOMINAL IN
Thread Pitch Diameters+4.2709 TO 4.2792 INCHES IN
Drive Point Quantity4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-160-56543340286 INTERCHANGEABLE
Bearing,sleeve
Ed Etnyre & Co
6145-00-185-8633 INTERCHANGEABLE
Wire,electrical
4730-00-188-3493 INTERCHANGEABLE
Plug,pipe
4320-00-426-0925P6 INTERCHANGEABLE
Valve
Rosco Mfg Co
6670-00-450-4478PG8000-S INTERCHANGEABLE
Scale,weighing
Mettler-Toledo Llc
7450-00-583-1734P6 INTERCHANGEABLE
Recorder,sound
Dictaphone Corporation
5340-00-727-7316 INTERCHANGEABLE
Plug,protective,dust and Moistur
3445-00-783-7625P201 INTERCHANGEABLE
Shearing Machine,sheet Metal,uni
Pullmax Inc
5975-00-944-40702PRS INTERCHANGEABLE
Clamp,electrical Conductor,strai
Reliable Power Products
6135-00-973-56320226 INTERCHANGEABLE
Battery,nonrechargeable
Netex Sales & Production Co
Cross-Reference Index
Part NumberManufacturer
CR139850PC118 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
AN22 PRIMARY Schatz Bearing Corporation Dba Schatz Bearing Corp (USA)
D2-10393PC28 Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA)
127725 PRIMARY General Motors Llc Dba General Motors Llc (USA)
AN22 General Motors Corp Delco Moraine Ndh Div (USA)
AN22 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
AX50961 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
1093054-5 PRIMARY Puget Sound Naval Shipyard and Intermediate Maintence Facility (USA)
P6 Amz Alabama Inc. (USA)
D2-9036PC329 Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA)
P6 Fmc Corp (USA)
AN22 PRIMARY Fag Bearings Corporation (USA)
52-W-2291-24 PRIMARY Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
D2-9310-28 Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA)
AN22 PRIMARY General Motors Llc Dba General Motors Llc (USA)
AN22 Skf Usa Inc. (USA)
SAEAN22 PRIMARY Elliott Company Div Jeannette (USA)
AN22 PRIMARY Timken Co Div the Timken Company (USA)
D2-10396PC28 Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA)
MILN21337 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3120-00-160-5654INTERCHANGEABLE
BEARING,SLEEVE
3340286
6145-00-185-8633INTERCHANGEABLE
WIRE,ELECTRICAL
4730-00-188-3493INTERCHANGEABLE
PLUG,PIPE
4320-00-426-0925INTERCHANGEABLE
VALVE
P6
6670-00-450-4478INTERCHANGEABLE
SCALE,WEIGHING
PG8000-S
7450-00-583-1734INTERCHANGEABLE
RECORDER,SOUND
P6
5340-00-727-7316INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
3445-00-783-7625INTERCHANGEABLE
SHEARING MACHINE,SHEET METAL,UNI
P201
5975-00-944-4070INTERCHANGEABLE
CLAMP,ELECTRICAL CONDUCTOR,STRAI
2PRS
6135-00-973-5632INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
0226
2940-01-019-8857INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42578
5120-01-025-8804INTERCHANGEABLE
PUNCH,DRIVE PIN

Frequently Asked Questions

What is NSN 5310-00-185-6339?

NSN 5310-00-185-6339 is a Nut,plain,round, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-185-6339?

NSN 5310-00-185-6339 has 41 cross-referenced part numbers: CR139850PC118 (Eaton Aerospace, Llc Dba Jackson South), AN22 (Schatz Bearing Corporation Dba Schatz Bearing Corp), D2-10393PC28 (Usm Corp Sub of Emhart Industries Inc Farrel Co Div), 127725 (General Motors Llc Dba General Motors Llc), AN22 (General Motors Corp Delco Moraine Ndh Div) and 36 more.

What NSN replaces 5310-00-185-6339?

There are 12 known substitutes for 5310-00-185-6339: 3120-00-160-5654, 6145-00-185-8633, 4730-00-188-3493 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CR139850PC118?

Key specifications for CR139850PC118: Nut Style: ROUND; Nominal Thread Size: 4.325 INCHES IN; Thread Series: UNS; Thread Quantity Per Inch: 12. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-185-6339 still in active supply?

NSN 5310-00-185-6339 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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