PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4900Nut,plain,round

Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co · NSN 5310-00-371-2940 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-371-2940 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-371-2940. Primary manufacturer part number: 4900.
Features
  • Nut,plain,round — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Thread Class: 3B
  • Nut Diameter: 2.375 INCHES NOMINAL IN
  • Thread Series: UNEF
  • Nominal Thread Size: 1.500 INCHES IN
  • Thread Quantity Per Inch: 18
  • Nut Thickness: 0.625 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1212 Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-371-2940, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN5310-00-371-2940
Primary Part Number4900
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerKoehring Cranes and Excavators Inc Sub of Northwest Engineering Co
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Class3B
Nut Diameter2.375 INCHES NOMINAL IN
Thread SeriesUNEF
Nominal Thread Size1.500 INCHES IN
Thread Quantity Per Inch18
Nut Thickness0.625 INCHES NOMINAL IN
MaterialSTEEL COMP 1212 OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Drive Point Quantity2
Drive Point Depth0.125 INCHES NOMINAL IN
Nut StyleROUND
Drive Point Width0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-00-430-954728757A INTERCHANGEABLE
Hose Assembly,nonmetallic
Komatsu America Corporation
Cross-Reference Index
Part NumberManufacturer
4900 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
4900 Eaton Corp Transmission Div (USA)
5810F Oshkosh Defense Llc (USA)
4900 Koehring Co Lorain Div (USA)
F4900 Eaton Corp Transmission Div (USA)
5810F Oshkosh Corp (USA)
Related Parts
4720-00-430-9547INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
28757A

Frequently Asked Questions

What is NSN 5310-00-371-2940?

NSN 5310-00-371-2940 is a Nut,plain,round, manufactured by Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-371-2940?

NSN 5310-00-371-2940 has 6 cross-referenced part numbers: 4900 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 4900 (Eaton Corp Transmission Div), 5810F (Oshkosh Defense Llc), 4900 (Koehring Co Lorain Div), F4900 (Eaton Corp Transmission Div) and 1 more.

What NSN replaces 5310-00-371-2940?

There is 1 known substitute for 5310-00-371-2940: 4720-00-430-9547. Verify interchangeability with system specifications before substitution.

What are the specifications of 4900?

Key specifications for 4900: Thread Direction: RIGHT-HAND; Thread Class: 3B; Nut Diameter: 2.375 INCHES NOMINAL IN; Thread Series: UNEF. 13 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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