PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6643057PC8Nut,plain,hexagon

General Electric Company · NSN 5310-00-410-6536 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-410-6536 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-410-6536. Primary manufacturer part number: 6643057PC8.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 10
  • Bearing Surface Type: WASHER FACED
  • Bearing Surface Finish: 63.0 MICROINCHES
  • Nominal Thread Size: 0.750 INCHES IN
  • Nut Style: HEXAGON
  • Thread Class: 2B
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 5310-00-410-6536, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Electric Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-410-6536
Primary Part Number6643057PC8
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Electric Company
StatusCANCELLED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch10
Bearing Surface TypeWASHER FACED
Bearing Surface Finish63.0 MICROINCHES
Nominal Thread Size0.750 INCHES IN
Nut StyleHEXAGON
Thread Class2B
Nut Height0.641 INCHES NOMINAL IN
Material Document and ClassificationGE SPEC C050AN400 GR 2H MFR REF SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Thread DirectionRIGHT-HAND
Width Across Flats1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-272-5702 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
6643057-8 General Electric Company (USA)
959E478-009 General Electric Company (USA)
248L439PC227 General Electric Company (USA)
CW-402BJ-12 Zf Industrieantriebe Witten Gmbh (DEU)
6643057-8 Zf Industrieantriebe Witten Gmbh (DEU)
959E494-025 General Electric Company (USA)
K6643057PC8 General Electric Company (USA)
577L918-13 General Electric Company (USA)
K6643057PC8 General Electric Company (USA)
6643057PC8 PRIMARY General Electric Company (USA)
5771918-011 General Electric Company (USA)
Related Parts
5310-00-272-5702INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 5310-00-410-6536?

NSN 5310-00-410-6536 is a Nut,plain,hexagon, manufactured by General Electric Company, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-410-6536?

NSN 5310-00-410-6536 has 11 cross-referenced part numbers: 6643057-8 (General Electric Company), 959E478-009 (General Electric Company), 248L439PC227 (General Electric Company), CW-402BJ-12 (Zf Industrieantriebe Witten Gmbh), 6643057-8 (Zf Industrieantriebe Witten Gmbh) and 6 more.

What NSN replaces 5310-00-410-6536?

There is 1 known substitute for 5310-00-410-6536: 5310-00-272-5702. Verify interchangeability with system specifications before substitution.

What are the specifications of 6643057PC8?

Key specifications for 6643057PC8: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Quantity Per Inch: 10; Bearing Surface Type: WASHER FACED; Bearing Surface Finish: 63.0 MICROINCHES. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-410-6536 still in active supply?

NSN 5310-00-410-6536 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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