PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520117Nut,plain,extended Washer,double

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-854-0362 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-854-0362 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-854-0362. Primary manufacturer part number: 520117.
Features
  • Nut,plain,extended Washer,double — FSC 5310
  • Thread Direction: RIGHT-HAND
  • Thread Series: UNF
  • Precious Material: SILVER
  • Washer Thickness: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Width Across Flats: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
  • Nut Style: DOUBLE HEXAGON
  • Nominal Thread Size: 0.312 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,extended Washer,double, cataloged under National Stock Number 5310-00-854-0362, 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 13 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-854-0362
Primary Part Number520117
Item NameNut,plain,extended Washer,double
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread SeriesUNF
Precious MaterialSILVER
Washer Thickness0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Width Across Flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
Nut StyleDOUBLE HEXAGON
Nominal Thread Size0.312 INCHES IN
Thread Quantity Per Inch24
MaterialIRON ALLOY 660 OVERALL
Surface TreatmentSILVER OVERALL
Thread Class3B
Material Document and ClassificationAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-497-7170 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
4220-01-169-4517520-117 INTERCHANGEABLE
Yoke,urethane
Kirby Morgan Dive Systems Inc
Cross-Reference Index
Part NumberManufacturer
520117 Esna, Llc (USA)
520117 Sps Technologies, Llc Dba PB Fasteners (USA)
520117 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
520117 Mnr Tool Engineering Inc (USA)
520117 Harvard Industries Inc (USA)
520117 Textron Fastening Systems Dba Decorah Operations Tfs (USA)
520117 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5905-00-497-7170INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
4220-01-169-4517INTERCHANGEABLE
YOKE,URETHANE
520-117

Frequently Asked Questions

What is NSN 5310-00-854-0362?

NSN 5310-00-854-0362 is a Nut,plain,extended Washer,double, 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 5310-00-854-0362?

NSN 5310-00-854-0362 has 7 cross-referenced part numbers: 520117 (Esna, Llc), 520117 (Sps Technologies, Llc Dba PB Fasteners), 520117 (Turbo Power & Marine System Inc Sub of United Technologies Corp), 520117 (Mnr Tool Engineering Inc), 520117 (Harvard Industries Inc) and 2 more.

What NSN replaces 5310-00-854-0362?

There are 2 known substitutes for 5310-00-854-0362: 5905-00-497-7170, 4220-01-169-4517. Verify interchangeability with system specifications before substitution.

What are the specifications of 520117?

Key specifications for 520117: Thread Direction: RIGHT-HAND; Thread Series: UNF; Precious Material: SILVER; Washer Thickness: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. 14 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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