PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51984-2Nut,plain,cone Seat,hexagon

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-136-1467 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-136-1467 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-136-1467. Primary manufacturer part number: MS51984-2.
Features
  • Nut,plain,cone Seat,hexagon — FSC 5310
  • Thread Class: 2B
  • Nut Counterbore Depth: 0.094 INCHES NOMINAL NUT IN
  • Nominal Thread Size: 0.500 INCHES IN
  • Thread Quantity Per Inch: 20
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Counterbore Diameter: 0.516 INCHES NOMINAL NUT IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1021 or Steel Comp 1022 or Steel Comp 1212 or Steel Comp 1213 or Steel Comp 1115 or Steel Comp 1116 or Steel Comp 1117 or Steel Comp 1118 Overall construction
General Description

The Nut,plain,cone Seat,hexagon, cataloged under National Stock Number 5310-00-136-1467, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-136-1467
Primary Part NumberMS51984-2
Item NameNut,plain,cone Seat,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Class2B
Nut Counterbore Depth0.094 INCHES NOMINAL NUT IN
Nominal Thread Size0.500 INCHES IN
Thread Quantity Per Inch20
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Counterbore Diameter0.516 INCHES NOMINAL NUT IN
Nut StyleCONE SEAT, HEXAGON
MaterialSTEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1212 OR STEEL COMP 1213 OR STEEL COMP 1115 OR STEEL COMP 1116 OR STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
Thread SeriesUNF
Thread DirectionRIGHT-HAND
Nut Height0.562 INCHES NOMINAL IN
Cone Seat Angle60.00 DEGREES NOMINAL
Width Across Flats0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Features ProvidedCASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5905-00-042-5099225027-27 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Raytheon Company
3020-00-288-5599105114 INTERCHANGEABLE
Gear,bevel
Cardwell Allen D Corp Div of Cardwell Condenser Corp
2840-00-410-4202105114 INTERCHANGEABLE
Bracket Assy,eng1ne
Air Logistics Corporation Dba Air Logistics Corp
5330-00-587-6049 INTERCHANGEABLE
Packing,preformed
6210-01-036-8795 INTERCHANGEABLE
Light,indicator
5910-01-077-5813TVL-1960-407-57R INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
5950-01-316-9342 INTERCHANGEABLE
Transformer,power
5310-01-550-8108 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
MS51984-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
105-114 The Charles Machine Works Inc Dba Ditch Witch (USA)
Related Parts
5905-00-042-5099INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
225027-27
3020-00-288-5599INTERCHANGEABLE
GEAR,BEVEL
105114
2840-00-410-4202INTERCHANGEABLE
BRACKET ASSY,ENG1NE
105114
5330-00-587-6049INTERCHANGEABLE
PACKING,PREFORMED
6210-01-036-8795INTERCHANGEABLE
LIGHT,INDICATOR
5910-01-077-5813INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
TVL-1960-407-57R
5950-01-316-9342INTERCHANGEABLE
TRANSFORMER,POWER
5310-01-550-8108INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-136-1467?

NSN 5310-00-136-1467 is a Nut,plain,cone Seat,hexagon, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-136-1467?

NSN 5310-00-136-1467 has 2 cross-referenced part numbers: MS51984-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 105-114 (The Charles Machine Works Inc Dba Ditch Witch).

What NSN replaces 5310-00-136-1467?

There are 8 known substitutes for 5310-00-136-1467: 5905-00-042-5099, 3020-00-288-5599, 2840-00-410-4202 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51984-2?

Key specifications for MS51984-2: Thread Class: 2B; Nut Counterbore Depth: 0.094 INCHES NOMINAL NUT IN; Nominal Thread Size: 0.500 INCHES IN; Thread Quantity Per Inch: 20. 15 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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