PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SK139880Nut,plain,round

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 5310-00-216-7985 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-216-7985 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-216-7985. Primary manufacturer part number: SK139880.
Features
  • Nut,plain,round — FSC 5310
  • Thread Direction: LEFT-HAND
  • Thread Quantity Per Inch: 12
  • Thread Series: UNF
  • Hole Thread Quantity Per Inch: 20
  • Hole Nominal Thread Diameter: 0.250 INCHES IN
  • Nominal Thread Size: 1.375 INCHES IN
  • Hole Configuration Style: CONFIGURATION F
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy Overall construction
General Description

The Nut,plain,round, cataloged under National Stock Number 5310-00-216-7985, 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 Div Epd. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-216-7985
Primary Part NumberSK139880
Item NameNut,plain,round
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Thread DirectionLEFT-HAND
Thread Quantity Per Inch12
Thread SeriesUNF
Hole Thread Quantity Per Inch20
Hole Nominal Thread Diameter0.250 INCHES IN
Nominal Thread Size1.375 INCHES IN
Hole Configuration StyleCONFIGURATION F
Hole Type and Quantity2 DRILLED AND 2 TAPPED
MaterialNICKEL ALLOY OVERALL
Thread Class2B
Nut Diameter1.750 INCHES NOMINAL IN
Material Document and ClassificationMIL-N-894,CLASS A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Drilled Hole Diameter0.250 INCHES NOMINAL IN
Nut Thickness0.875 INCHES NOMINAL IN
Nut StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-011-304610378 INTERCHANGEABLE
Solenoid,electrical
Astronautics Corporation of America
5996-00-097-629510378 INTERCHANGEABLE
Amplifier,magnetic
Torotel, Inc. Div Torotel Products, Inc.
5905-00-107-891510378 INTERCHANGEABLE
Resistor,adjustable
Cae Usa Inc.
3040-00-338-4467SC-B-69622 INTERCHANGEABLE
Bracket,eye,nonrotating Shaft
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5950-00-496-7190577R894H39 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5305-00-579-5443 INTERCHANGEABLE
Screw,machine
2805-00-741-1712904P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
6115-00-991-1959 INTERCHANGEABLE
Exciter,static Regulator
3110-01-280-6453 INTERCHANGEABLE
Ball,bearing
5975-01-436-413610378 INTERCHANGEABLE
Tray,mounting,electronic Equipme
Hollingsead International, Llc
Cross-Reference Index
Part NumberManufacturer
254817C Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4987PC31 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL7723PC36 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5098PC31 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4817PC31 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SK139880 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL7722PC36 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4989PC31 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
904P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5096PC31 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL8186PC16 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
904P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
254817C Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SK139880 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL4815PC31 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10378 Rps-Fl, Inc. Dba Rps Inc (USA)
SL7724PC36 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5945-00-011-3046INTERCHANGEABLE
SOLENOID,ELECTRICAL
10378
5996-00-097-6295INTERCHANGEABLE
AMPLIFIER,MAGNETIC
10378
5905-00-107-8915INTERCHANGEABLE
RESISTOR,ADJUSTABLE
10378
3040-00-338-4467INTERCHANGEABLE
BRACKET,EYE,NONROTATING SHAFT
SC-B-69622
5950-00-496-7190INTERCHANGEABLE
COIL,RADIO FREQUENCY
577R894H39
5305-00-579-5443INTERCHANGEABLE
SCREW,MACHINE
2805-00-741-1712INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
904P
6115-00-991-1959INTERCHANGEABLE
EXCITER,STATIC REGULATOR
3110-01-280-6453INTERCHANGEABLE
BALL,BEARING
5975-01-436-4136INTERCHANGEABLE
TRAY,MOUNTING,ELECTRONIC EQUIPME
10378
5365-01-482-8007INTERCHANGEABLE
SHIM
10378
5340-01-518-5034INTERCHANGEABLE
KEYSHAFT ASSEMBLY CLAMP
10378

Frequently Asked Questions

What is NSN 5310-00-216-7985?

NSN 5310-00-216-7985 is a Nut,plain,round, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-216-7985?

NSN 5310-00-216-7985 has 17 cross-referenced part numbers: 254817C (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4987PC31 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL7723PC36 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5098PC31 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4817PC31 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 12 more.

What NSN replaces 5310-00-216-7985?

There are 12 known substitutes for 5310-00-216-7985: 5945-00-011-3046, 5996-00-097-6295, 5905-00-107-8915 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SK139880?

Key specifications for SK139880: Thread Direction: LEFT-HAND; Thread Quantity Per Inch: 12; Thread Series: UNF; Hole Thread Quantity Per Inch: 20. 15 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