PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

217473Nut,plain,hexagon

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-373-8450 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-373-8450 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-373-8450. Primary manufacturer part number: 217473.
Features
  • Nut,plain,hexagon — FSC 5310
  • Thread Series: UNF
  • Thread Quantity Per Inch: 20
  • Nominal Thread Size: 0.438 INCHES IN
  • Hole Configuration Style: CONFIGURATION B
  • Bearing Surface Type: CHAMFERED
  • Nut Height: 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 304l Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-373-8450, 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 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-373-8450
Primary Part Number217473
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Thread SeriesUNF
Thread Quantity Per Inch20
Nominal Thread Size0.438 INCHES IN
Hole Configuration StyleCONFIGURATION B
Bearing Surface TypeCHAMFERED
Nut Height0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Hole Type and Quantity2 DRILLED
Thread Class3B
Nut StyleHEXAGON
Width Across Flats0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
Material Document and ClassificationQQ-S-766,CLASS 304L,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 304L OVERALL
Drilled Hole Diameter0.050 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5950-00-006-8055905390-2 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5315-00-420-5880 INTERCHANGEABLE
Pin
4310-00-564-2573 INTERCHANGEABLE
Cylinder Head,compressor
5950-00-983-5367 INTERCHANGEABLE
Coil,radio Frequency
5305-01-483-7865E75503925 INTERCHANGEABLE
Screw,machine
Meritor Heavy Vehicle Systems, Llc
Cross-Reference Index
Part NumberManufacturer
39A11423 Triumph Engine Control Systems Llc (USA)
27838 Triumph Engine Control Systems Llc (USA)
217473 Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation (USA)
QAP00365 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
217473 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
217473 Comet Mfg Co Inc (USA)
Related Parts
5950-00-006-8055INTERCHANGEABLE
REACTOR
905390-2
5315-00-420-5880INTERCHANGEABLE
PIN
4310-00-564-2573INTERCHANGEABLE
CYLINDER HEAD,COMPRESSOR
5950-00-983-5367INTERCHANGEABLE
COIL,RADIO FREQUENCY
5305-01-483-7865INTERCHANGEABLE
SCREW,MACHINE
E75503925

Frequently Asked Questions

What is NSN 5310-00-373-8450?

NSN 5310-00-373-8450 is a Nut,plain,hexagon, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-373-8450?

NSN 5310-00-373-8450 has 6 cross-referenced part numbers: 39A11423 (Triumph Engine Control Systems Llc), 27838 (Triumph Engine Control Systems Llc), 217473 (Cooper Industries Inc Cooper Petroleum Equipment Div Sunnyvale Operation), QAP00365 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 217473 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney) and 1 more.

What NSN replaces 5310-00-373-8450?

There are 5 known substitutes for 5310-00-373-8450: 5950-00-006-8055, 5315-00-420-5880, 4310-00-564-2573 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 217473?

Key specifications for 217473: Thread Series: UNF; Thread Quantity Per Inch: 20; Nominal Thread Size: 0.438 INCHES IN; Hole Configuration Style: CONFIGURATION B. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-373-8450 still in active supply?

NSN 5310-00-373-8450 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