PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

398579-00Nut,pump Shaft

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 5310-01-125-9907 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-125-9907 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-125-9907. Primary manufacturer part number: 398579-00.
Features
  • Nut,pump Shaft — FSC 5310
  • General Characteristics Item Description: NICKLE COPPER ALLOY,QQ-N-281-D,CLASS A,COLD DRAWN,STRESS RELIEVED;WIDTH 1.562 IN.;OUTSIDE DIAMETER 1.625 IN.;FIRST END INSIDE DIAMETER 1.264 IN.;THREADED HOLE 2 PLACES 0.250-20UNC-2B;UNTHREADED HOLE 2 PLACES 0.281 IN. DIAMETER;FIRST END FIRST GROOVE DIAMETER 1.431 IN.,WIDTH 0.059 IN.;SECOND END COUNTERBORE DIAMTER 1.378 IN.,DEPTH 0.25 IN.;RIGHT HAND THREADS 1.375-12UNF-2B IN
  • 7 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Fluid transfer and circulation
  • Cooling system maintenance
General Description

The Nut,pump Shaft, cataloged under National Stock Number 5310-01-125-9907, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN5310-01-125-9907
Primary Part Number398579-00
Item NameNut,pump Shaft
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
General Characteristics Item DescriptionNICKLE COPPER ALLOY,QQ-N-281-D,CLASS A,COLD DRAWN,STRESS RELIEVED;WIDTH 1.562 IN.;OUTSIDE DIAMETER 1.625 IN.;FIRST END INSIDE DIAMETER 1.264 IN.;THREADED HOLE 2 PLACES 0.250-20UNC-2B;UNTHREADED HOLE 2 PLACES 0.281 IN. DIAMETER;FIRST END FIRST GROOVE DIAMETER 1.431 IN.,WIDTH 0.059 IN.;SECOND END COUNTERBORE DIAMTER 1.378 IN.,DEPTH 0.25 IN.;RIGHT HAND THREADS 1.375-12UNF-2B IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-126-7393398579-01 INTERCHANGEABLE
Nut,pump,shaft
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
RY-171221 ITEM 8 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
398579-00 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
39857900PH Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
CS-4320-SV-0733 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
RY-177501 ITEM 8 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
398579-00 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
RY-171221 ITEM 8 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5310-01-126-7393INTERCHANGEABLE
NUT,PUMP,SHAFT
398579-01

Frequently Asked Questions

What is NSN 5310-01-125-9907?

NSN 5310-01-125-9907 is a Nut,pump Shaft, 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 5310-01-125-9907?

NSN 5310-01-125-9907 has 7 cross-referenced part numbers: RY-171221 ITEM 8 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 398579-00 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 39857900PH (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), CS-4320-SV-0733 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), RY-177501 ITEM 8 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 2 more.

What NSN replaces 5310-01-125-9907?

There is 1 known substitute for 5310-01-125-9907: 5310-01-126-7393. Verify interchangeability with system specifications before substitution.

What are the specifications of 398579-00?

Key specifications for 398579-00: General Characteristics Item Description: NICKLE COPPER ALLOY,QQ-N-281-D,CLASS A,COLD DRAWN,STRESS RELIEVED;WIDTH 1.562 IN.;OUTSIDE DIAMETER 1.625 IN.;FIRST END INSIDE DIAMETER 1.264 IN.;THREADED HOLE 2 PLACES 0.250-20UNC-2B;UNTHREADED HOLE 2 PLACES 0.281 IN. DIAMETER;FIRST END FIRST GROOVE DIAMETER 1.431 IN.,WIDTH 0.059 IN.;SECOND END COUNTERBORE DIAMTER 1.378 IN.,DEPTH 0.25 IN.;RIGHT HAND THREADS 1.375-12UNF-2B IN. 1 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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