PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

951619-1PHNut,plain,round

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging · NSN 5310-00-582-2266 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-582-2266 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-582-2266. Primary manufacturer part number: 951619-1PH.
Features
  • Nut,plain,round — FSC 5310
  • Nominal Thread Size: 3.250 INCHES IN
  • Drive Point Quantity: 2
  • Thread Series: UN
  • Thread Pitch Diameters: +3.1959 TO 3.2041 INCHES IN
  • Nut Style: ROUND
  • Hardness Rating: 264.0 BRINELL STANDARD MINIMUM AND 319.0 BRINELL STANDARD MAXIMUM
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 416 Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-582-2266, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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
NSN5310-00-582-2266
Primary Part Number951619-1PH
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging
StatusACTIVE
Nominal Thread Size3.250 INCHES IN
Drive Point Quantity2
Thread SeriesUN
Thread Pitch Diameters+3.1959 TO 3.2041 INCHES IN
Nut StyleROUND
Hardness Rating264.0 BRINELL STANDARD MINIMUM AND 319.0 BRINELL STANDARD MAXIMUM
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Countersink Angle90.0 DEGREES NOMINAL NUT
Drilled Hole Diameter0.375 INCHES NOMINAL IN
Nut Diameter4.125 INCHES NOMINAL IN
Drive Point Depth0.388 INCHES NOMINAL IN
Drive Point Diameter0.406 INCHES NOMINAL IN
Hole Type and Quantity2 DRILLED
Nut Thickness2.562 INCHES NOMINAL IN
Hole Configuration StyleCONFIGURATION F
MaterialSTEEL COMP 416 OVERALL
Thread Class2B
Thread Quantity Per Inch12
Counterbore Diameter3.480 INCHES NOMINAL NUT IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-582-2267 INTERCHANGEABLE
Nut,shaft Right Hand
Cross-Reference Index
Part NumberManufacturer
951619-1PH Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
951619-01 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
951619-01 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY151619 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5310-00-582-2267INTERCHANGEABLE
NUT,SHAFT RIGHT HAND

Frequently Asked Questions

What is NSN 5310-00-582-2266?

NSN 5310-00-582-2266 is a Nut,plain,round, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-582-2266?

NSN 5310-00-582-2266 has 4 cross-referenced part numbers: 951619-1PH (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 951619-01 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 951619-01 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RY151619 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 5310-00-582-2266?

There is 1 known substitute for 5310-00-582-2266: 5310-00-582-2267. Verify interchangeability with system specifications before substitution.

What are the specifications of 951619-1PH?

Key specifications for 951619-1PH: Nominal Thread Size: 3.250 INCHES IN; Drive Point Quantity: 2; Thread Series: UN; Special Features: WITH TWO GROOVES 1/4 @IN. WIDE,1/16 IN. DEEP,BY 13/16 IN. LONG,180 DEG APART. W/TWO HEX SOCKET SET SCREWS 3/8-16X7/16 IN. LONG IN. 21 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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