PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35691-622Nut,plain,hexagon

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5310-00-655-9744 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-655-9744 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-655-9744. Primary manufacturer part number: MS35691-622.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Height: 0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 24
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Series: UNF
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Thread Direction: RIGHT-HAND
  • Width Across Flats: 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
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 5310-00-655-9744, 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 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-655-9744
Primary Part NumberMS35691-622
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
Nut Height0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Nominal Thread Size0.375 INCHES IN
Thread SeriesUNF
Bearing Surface TypeCHAMFERED OR WASHER FACED
Thread DirectionRIGHT-HAND
Width Across Flats0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Nut StyleHEXAGON
Thread Pitch Diameters+0.3479 TO 0.3528 INCHES IN
Surface TreatmentCADMIUM OR ZINC AND CHROMATE OVERALL
MaterialSTEEL OVERALL
Thread Class2B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-975-2075 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
MS35691-622 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-975-2075INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-655-9744?

NSN 5310-00-655-9744 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 5310-00-655-9744?

NSN 5310-00-655-9744 has 1 cross-referenced part number: MS35691-622 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-00-655-9744?

There is 1 known substitute for 5310-00-655-9744: 5310-00-975-2075. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35691-622?

Key specifications for MS35691-622: Nut Height: 0.210 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN; Thread Quantity Per Inch: 24; Nominal Thread Size: 0.375 INCHES IN; Thread Series: UNF. 12 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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