PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

660091Plate,retaining,seal

Northrop Grumman Systems Corporation · NSN 5340-01-353-3606 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-353-3606 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-353-3606. Primary manufacturer part number: 660091.
Features
  • Plate,retaining,seal — FSC 5340
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Plate,retaining,seal, cataloged under National Stock Number 5340-01-353-3606, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NamePlate,retaining,seal
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersZf Industrieantriebe Witten Gmbh (CAGE D9182); Northrop Grumman Systems Corporation (CAGE 21877)
Technical Specifications
ParameterValue
NSN5340-01-353-3606
Primary Part Number660091
Item NamePlate,retaining,seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5355-00-559-8942MS91528-1N1B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5331-00-684-3419016-4087 INTERCHANGEABLE
O-Ring
Parker Hannifin Corporation Div O-Ring Division
6850-01-412-4372168-91M INTERCHANGEABLE
Cleaning Compound,solvent
Dvc Cleaner Inc.
Cross-Reference Index
Part NumberManufacturer
MS91528-1N1B Zf Industrieantriebe Witten Gmbh (DEU)
660091 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5355-00-559-8942INTERCHANGEABLE
KNOB
MS91528-1N1B
5331-00-684-3419INTERCHANGEABLE
O-RING
016-4087
6850-01-412-4372INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
168-91M

Frequently Asked Questions

What is NSN 5340-01-353-3606?

NSN 5340-01-353-3606 is a Plate,retaining,seal, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-353-3606?

NSN 5340-01-353-3606 has 2 cross-referenced part numbers: MS91528-1N1B (Zf Industrieantriebe Witten Gmbh), 660091 (Northrop Grumman Systems Corporation).

What NSN replaces 5340-01-353-3606?

There are 3 known substitutes for 5340-01-353-3606: 5355-00-559-8942, 5331-00-684-3419, 6850-01-412-4372. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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