PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

323722Nut,plain,hexagon

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5310-00-550-2935 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-550-2935 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-550-2935. Primary manufacturer part number: 323722.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nominal Thread Size: 0.438 INCHES IN
  • Thread Quantity Per Inch: 20
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Material: IRON ALLOY 660 OVERALL
  • Thread Series: UNF
  • Countersink Angle: 45.0 DEGREES NOMINAL NUT
  • Precious Material: SILVER
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 5310-00-550-2935, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5310-00-550-2935
Primary Part Number323722
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Nominal Thread Size0.438 INCHES IN
Thread Quantity Per Inch20
Bearing Surface TypeCHAMFERED OR WASHER FACED
MaterialIRON ALLOY 660 OVERALL
Thread SeriesUNF
Countersink Angle45.0 DEGREES NOMINAL NUT
Precious MaterialSILVER
Width Across Flats0.616 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN
Surface TreatmentSILVER OVERALL
Nut Height0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Bearing Surface Finish125.0 MICROINCHES
Thread Class3B
Nut StyleHEXAGON
Surface Treatment Document and ClassificationAMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Counterbore Diameter0.438 INCHES MINIMUM AND 0.458 INCHES MAXIMUM NUT IN
Material Document and ClassificationAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5815-01-072-8604400277 INTERCHANGEABLE
Bar,pull,teletypewriter
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
00277 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
323722 Royal Oak Gage, Inc (USA)
323722 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5815-01-072-8604INTERCHANGEABLE
BAR,PULL,TELETYPEWRITER
400277

Frequently Asked Questions

What is NSN 5310-00-550-2935?

NSN 5310-00-550-2935 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 5310-00-550-2935?

NSN 5310-00-550-2935 has 3 cross-referenced part numbers: 00277 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 323722 (Royal Oak Gage, Inc), 323722 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5310-00-550-2935?

There is 1 known substitute for 5310-00-550-2935: 5815-01-072-8604. Verify interchangeability with system specifications before substitution.

What are the specifications of 323722?

Key specifications for 323722: Nominal Thread Size: 0.438 INCHES IN; Thread Quantity Per Inch: 20; Bearing Surface Type: CHAMFERED OR WASHER FACED; Material: IRON ALLOY 660 OVERALL. 17 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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