PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

678448Plate,oil Sump Seal

Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division · NSN 4310-01-137-7399 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-137-7399 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-137-7399. Primary manufacturer part number: 678448.
Features
  • Plate,oil Sump Seal — FSC 4310
  • General Characteristics Item Description: ALUMINUM ALLOY,6061-T6,QQ-A-250 11,9.340 IN. LG; 5.000 IN. MIN,5.060 IN. MAX H IN
  • 3 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Plate,oil Sump Seal, cataloged under National Stock Number 4310-01-137-7399, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division. Government technical data includes 1 verified specification, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-137-7399
Primary Part Number678448
Item NamePlate,oil Sump Seal
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,6061-T6,QQ-A-250 11,9.340 IN. LG; 5.000 IN. MIN,5.060 IN. MAX H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2990-00-493-273610661N INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
5331-00-618-6359 INTERCHANGEABLE
O-Ring
2530-00-898-3450 INTERCHANGEABLE
Tie Rod End,steering
5360-00-928-351640-342 INTERCHANGEABLE
Spring,helical,compression
Cmbf, Llc Dba Cmbf Llc
4330-01-203-769834270-54 INTERCHANGEABLE
Post,filter,fluid
Solventum Purification Inc. Div Filtration and Separation Division
4330-01-203-7716 INTERCHANGEABLE
Filter Body,fluid
4720-01-248-633340342 INTERCHANGEABLE
Hose,nonmetallic
Vactor Manufacturing, Llc Dba Fs Solutions
5305-01-269-8661F1005052 INTERCHANGEABLE
Screw,cap,hexagon Head
Funk Mfg Co Sub of Deere and Co
4320-01-326-317240342 INTERCHANGEABLE
Motor,hydraulic
Tulsa Winch, Inc.
5306-01-556-653040342 INTERCHANGEABLE
Bolt,machine
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
678448 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA)
206914 Honeywell International Inc. Div Aerospace - Torrance (USA)
40342 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
Related Parts
2990-00-493-2736INTERCHANGEABLE
MUFFLER,EXHAUST
10661N
5331-00-618-6359INTERCHANGEABLE
O-RING
2530-00-898-3450INTERCHANGEABLE
TIE ROD END,STEERING
5360-00-928-3516INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
40-342
4330-01-203-7698INTERCHANGEABLE
POST,FILTER,FLUID
34270-54
4330-01-203-7716INTERCHANGEABLE
FILTER BODY,FLUID
4720-01-248-6333INTERCHANGEABLE
HOSE,NONMETALLIC
40342
5305-01-269-8661INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
F1005052
4320-01-326-3172INTERCHANGEABLE
MOTOR,HYDRAULIC
40342
5306-01-556-6530INTERCHANGEABLE
BOLT,MACHINE
40342

Frequently Asked Questions

What is NSN 4310-01-137-7399?

NSN 4310-01-137-7399 is a Plate,oil Sump Seal, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-137-7399?

NSN 4310-01-137-7399 has 3 cross-referenced part numbers: 678448 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 206914 (Honeywell International Inc. Div Aerospace - Torrance), 40342 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).

What NSN replaces 4310-01-137-7399?

There are 10 known substitutes for 4310-01-137-7399: 2990-00-493-2736, 5331-00-618-6359, 2530-00-898-3450 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 678448?

Key specifications for 678448: End Item Identification: AIRCRAFT MODEL P3C; General Characteristics Item Description: ALUMINUM ALLOY,6061-T6,QQ-A-250 11,9.340 IN. LG; 5.000 IN. MIN,5.060 IN. MAX H IN. 2 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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