PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

635-393Nut,plain,hexagon

Rolls-Royce Controls and Data Services Limited · NSN 5310-00-452-8243 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-452-8243 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-452-8243. Primary manufacturer part number: 635-393.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.250 INCHES IN
  • Bearing Surface Type: WASHER FACED
  • Thread Quantity Per Inch: 28
  • Thread Series: UNF
  • Thread Class: 2B
  • 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 5310-00-452-8243, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Controls and Data Services Limited. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-452-8243
Primary Part Number635-393
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRolls-Royce Controls and Data Services Limited
StatusACTIVE
Thread DirectionRIGHT-HAND
Nominal Thread Size0.250 INCHES IN
Bearing Surface TypeWASHER FACED
Thread Quantity Per Inch28
Thread SeriesUNF
Thread Class2B
Nut StyleHEXAGON
Width Across Flats0.435 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Nut Height0.130 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-452-8312 INTERCHANGEABLE
Nut,plain,cap
5310-00-452-8338 INTERCHANGEABLE
Tab Washer
5310-00-452-8388 INTERCHANGEABLE
Washer,flat
5310-00-453-3867842-42 INTERCHANGEABLE
Washer Cup
Rolls-Royce Controls and Data Services Limited
5310-00-467-9565837-125 INTERCHANGEABLE
Washer Flat
Rolls-Royce Controls and Data Services Limited
Cross-Reference Index
Part NumberManufacturer
635-393 Rolls-Royce Controls and Data Services Limited (GBR)
635-393 Goodrich Control Systems Ltd T/a Goodrich Engine Control Systems (GBR)
5310-99-606 Nato Stock Number Assigned by Another Nation
Related Parts
5310-00-452-8312INTERCHANGEABLE
NUT,PLAIN,CAP
5310-00-452-8338INTERCHANGEABLE
TAB WASHER
5310-00-452-8388INTERCHANGEABLE
WASHER,FLAT
5310-00-453-3867INTERCHANGEABLE
WASHER CUP
842-42
5310-00-467-9565INTERCHANGEABLE
WASHER FLAT
837-125

Frequently Asked Questions

What is NSN 5310-00-452-8243?

NSN 5310-00-452-8243 is a Nut,plain,hexagon, manufactured by Rolls-Royce Controls and Data Services Limited, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-452-8243?

NSN 5310-00-452-8243 has 3 cross-referenced part numbers: 635-393 (Rolls-Royce Controls and Data Services Limited), 635-393 (Goodrich Control Systems Ltd T/a Goodrich Engine Control Systems), 5310-99-606 (Nato Stock Number Assigned by Another Nation).

What NSN replaces 5310-00-452-8243?

There are 5 known substitutes for 5310-00-452-8243: 5310-00-452-8312, 5310-00-452-8338, 5310-00-452-8388 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 635-393?

Key specifications for 635-393: Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Bearing Surface Type: WASHER FACED; Thread Quantity Per Inch: 28. 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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