PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

380239Nut,plain,hexagon

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-709-3559 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-709-3559 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-709-3559. Primary manufacturer part number: 380239.
Features
  • Nut,plain,hexagon — FSC 5310
  • Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Precious Material and Location: OVERALL SILVER
  • Material: IRON ALLOY 660 OVERALL
  • Precious Material: SILVER
  • Thread Class: 3B
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.438 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Iron Alloy 660 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-709-3559, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, 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
NSN5310-00-709-3559
Primary Part Number380239
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Material Document and ClassificationAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Precious Material and LocationOVERALL SILVER
MaterialIRON ALLOY 660 OVERALL
Precious MaterialSILVER
Thread Class3B
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.438 INCHES IN
Thread Quantity Per Inch20
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Nut StyleHEXAGON
Surface Treatment Document and ClassificationAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Nut Height0.664 INCHES NOMINAL IN
Width Across Flats0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
Surface TreatmentSILVER OVERALL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2920-00-466-1952MGD4102C INTERCHANGEABLE
Starter,engine,electrical
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
380239 Precision Speed Manufacturing, Llc (USA)
380239 Alliant Techsystems Inc (USA)
380239 Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation (USA)
380239 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
380239 Howmet Global Fastening Systems Inc (USA)
380239 Harvard Industries Inc (USA)
Related Parts
2920-00-466-1952INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
MGD4102C

Frequently Asked Questions

What is NSN 5310-00-709-3559?

NSN 5310-00-709-3559 is a Nut,plain,hexagon, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-709-3559?

NSN 5310-00-709-3559 has 6 cross-referenced part numbers: 380239 (Precision Speed Manufacturing, Llc), 380239 (Alliant Techsystems Inc), 380239 (Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation), 380239 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 380239 (Howmet Global Fastening Systems Inc) and 1 more.

What NSN replaces 5310-00-709-3559?

There is 1 known substitute for 5310-00-709-3559: 2920-00-466-1952. Verify interchangeability with system specifications before substitution.

What are the specifications of 380239?

Key specifications for 380239: Material Document and Classification: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Precious Material and Location: OVERALL SILVER; Material: IRON ALLOY 660 OVERALL; Precious Material: SILVER. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com