PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35649-22Nut,plain,hexagon

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-687-7740 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-687-7740 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-687-7740. Primary manufacturer part number: MS35649-22.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material: STEEL OVERALL
  • Thread Class: 2B
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Bearing Surface Type: FLAT OR CHAMFERED
  • Thread Quantity Per Inch: 56
  • Nominal Thread Size: 0.086 INCHES IN
  • Nut Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-687-7740, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-687-7740
Primary Part NumberMS35649-22
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialSTEEL OVERALL
Thread Class2B
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Bearing Surface TypeFLAT OR CHAMFERED
Thread Quantity Per Inch56
Nominal Thread Size0.086 INCHES IN
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Surface TreatmentCADMIUM OR ZINC AND CHROMATE OVERALL
Width Across Flats0.180 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
Nut Height0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-687-6293102-4B2 INTERCHANGEABLE
Nut,plain,hexagon
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5310-00-934-9738MS35649-222 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS35649-22 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-687-6293INTERCHANGEABLE
NUT,PLAIN,HEXAGON
102-4B2
5310-00-934-9738INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-222

Frequently Asked Questions

What is NSN 5310-00-687-7740?

NSN 5310-00-687-7740 is a Nut,plain,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 5310-00-687-7740?

NSN 5310-00-687-7740 has 1 cross-referenced part number: MS35649-22 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-687-7740?

There are 2 known substitutes for 5310-00-687-7740: 5310-00-687-6293, 5310-00-934-9738. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35649-22?

Key specifications for MS35649-22: Material: STEEL OVERALL; Thread Class: 2B; Thread Series: UNIFIED NATIONAL COARSE (UNC); Bearing Surface Type: FLAT OR CHAMFERED. 11 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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