PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TFA9003Nut,self-Locking,hexagon

Eaton Corp Dba Eaton Aerospace Jackson · NSN 5310-00-274-8335 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-274-8335 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-274-8335. Primary manufacturer part number: TFA9003.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Nominal Thread Size: 0.312 INCHES IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 24
  • Material Document and Classification: QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE NUT
  • Nut Height: 0.343 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Material: STEEL COMP 1118 NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1118 Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-274-8335, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-274-8335
Primary Part NumberTFA9003
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusCANCELLED
Nominal Thread Size0.312 INCHES IN
Thread SeriesUNF
Thread Quantity Per Inch24
Material Document and ClassificationQQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE NUT
Nut Height0.343 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 1118 NUT
Width Across Flats0.500 INCHES NOMINAL IN
Thread Class3B
MaterialFIBER LOCKING INSERT
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Surface TreatmentCADMIUM NUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-011-70490127 INTERCHANGEABLE
Nut,plain,hexagon
Harley Davidson Motor Co Inc
3110-00-156-1715 INTERCHANGEABLE
Bearing,ball,thrust
5935-00-336-2012 INTERCHANGEABLE
Jack,tip
8455-01-279-5652 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
TFA9003 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
406683 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
STD616 Textron Lycoming Inc Williamsport Plant (USA)
42E054 Harvard Industries Inc (USA)
3505244C6L PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
A1728 PRIMARY Triumph Engine Control Systems Llc (USA)
A1728 Sasco Inc Canadian Div
Related Parts
5310-00-011-7049INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0127
3110-00-156-1715INTERCHANGEABLE
BEARING,BALL,THRUST
5935-00-336-2012INTERCHANGEABLE
JACK,TIP
8455-01-279-5652INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5310-00-274-8335?

NSN 5310-00-274-8335 is a Nut,self-Locking,hexagon, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-274-8335?

NSN 5310-00-274-8335 has 7 cross-referenced part numbers: TFA9003 (Eaton Corp Dba Eaton Aerospace Jackson), 406683 (Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company), STD616 (Textron Lycoming Inc Williamsport Plant), 42E054 (Harvard Industries Inc), 3505244C6L (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir) and 2 more.

What NSN replaces 5310-00-274-8335?

There are 4 known substitutes for 5310-00-274-8335: 5310-00-011-7049, 3110-00-156-1715, 5935-00-336-2012 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of TFA9003?

Key specifications for TFA9003: Nominal Thread Size: 0.312 INCHES IN; Thread Series: UNF; Thread Quantity Per Inch: 24; Material Document and Classification: QQ-S-633 CANC FED SPEC SINGLE MATERIAL RESPONSE NUT. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-274-8335 still in active supply?

NSN 5310-00-274-8335 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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