PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

903536Nut,self-Locking,hexagon

Ebsray Pumps Pty Ltd · NSN 5310-00-241-6659 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-241-6659 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-241-6659. Primary manufacturer part number: 903536.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.437 INCHES IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-241-6659, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ebsray Pumps Pty Ltd. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-241-6659
Primary Part Number903536
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEbsray Pumps Pty Ltd
StatusCANCELLED
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Hardness Rating26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.437 INCHES IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
Width Across Flats0.0616 INCHES MINIMUM AND 0.0627 INCHES MAXIMUM IN
MaterialSTEEL NUT
Nut Height0.524 INCHES MAXIMUM IN
Thread Class3B
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Thread Quantity Per Inch14
Surface TreatmentCADMIUM NUT
Thread DirectionRIGHT-HAND
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5310-00-185-6463 INTERCHANGEABLE
Nut,plain,round
5310-00-245-3423MS17829-7C INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-624-5833MS17829-7C INTERCHANGEABLE
Nut,self-Locking,hexagon
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
903536 Ebsray Pumps Pty Ltd (AUS)
5310PL0644497 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS51943-37 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS17829-7C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5310PL0794730 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M45913/3-7CG8C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5302-314 Cemen Tech, Inc. (USA)
Related Parts
5310-00-185-6463INTERCHANGEABLE
NUT,PLAIN,ROUND
5310-00-245-3423INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17829-7C
5310-01-624-5833INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS17829-7C

Frequently Asked Questions

What is NSN 5310-00-241-6659?

NSN 5310-00-241-6659 is a Nut,self-Locking,hexagon, manufactured by Ebsray Pumps Pty Ltd, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-241-6659?

NSN 5310-00-241-6659 has 7 cross-referenced part numbers: 903536 (Ebsray Pumps Pty Ltd), 5310PL0644497 (Jednolity Indeks Materialowy - Uniform Material Index), MS51943-37 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS17829-7C (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5310PL0794730 (Jednolity Indeks Materialowy - Uniform Material Index) and 2 more.

What NSN replaces 5310-00-241-6659?

There are 3 known substitutes for 5310-00-241-6659: 5310-00-185-6463, 5310-00-245-3423, 5310-01-624-5833. Verify interchangeability with system specifications before substitution.

What are the specifications of 903536?

Key specifications for 903536: Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF; Thread Series: UNIFIED NATIONAL COARSE (UNC); Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-241-6659 still in active supply?

NSN 5310-00-241-6659 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.
PartsTable Design LLC · partstable.com