PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-349Boot,dust and Moisture Seal

Pollak Joseph Corp · NSN 5340-01-181-9546 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-181-9546 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-181-9546. Primary manufacturer part number: 21-349.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • 4 verified cross-references
  • Primary manufacturer: Pollak Joseph Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-181-9546, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pollak Joseph Corp. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Catalog Facts
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersPollak Joseph Corp (CAGE 77326); Deere & Co (CAGE 75160); Kellett Woodman and Co Ltd (CAGE K2488)
Technical Specifications
ParameterValue
NSN5340-01-181-9546
Primary Part Number21-349
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPollak Joseph Corp
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 5
5930-00-232-15161297 INTERCHANGEABLE
Switch,toggle
Entron Industries Limited Partnership Dba Entron Industries Property Div
5310-00-472-882021349 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5940-01-098-873221349 INTERCHANGEABLE
Mount,terminal Board
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5133-01-365-6124210C 49/64 INTERCHANGEABLE
Drill,twist
Michigan Drill Corp
8040-01-441-017921349 INTERCHANGEABLE
Primer,adhesive
Loctite Corp
Cross-Reference Index
Part NumberManufacturer
21-349 PRIMARY Pollak Joseph Corp (USA)
T58440 Deere & Co (USA)
T31142 Deere & Co (USA)
21-349 Kellett Woodman and Co Ltd (GBR)
Related Parts
5930-00-232-1516INTERCHANGEABLE
SWITCH,TOGGLE
1297
5310-00-472-8820INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
21349
5940-01-098-8732INTERCHANGEABLE
MOUNT,TERMINAL BOARD
21349
5133-01-365-6124INTERCHANGEABLE
DRILL,TWIST
210C 49/64
8040-01-441-0179INTERCHANGEABLE
PRIMER,ADHESIVE
21349

Frequently Asked Questions

What is NSN 5340-01-181-9546?

NSN 5340-01-181-9546 is a Boot,dust and Moisture Seal, manufactured by Pollak Joseph Corp, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-01-181-9546?

NSN 5340-01-181-9546 has 4 cross-referenced part numbers: 21-349 (Pollak Joseph Corp), T58440 (Deere & Co), T31142 (Deere & Co), 21-349 (Kellett Woodman and Co Ltd).

What NSN replaces 5340-01-181-9546?

There are 5 known substitutes for 5340-01-181-9546: 5930-00-232-1516, 5310-00-472-8820, 5940-01-098-8732 and 2 more. Verify interchangeability with system specifications before substitution.

Is NSN 5340-01-181-9546 still in active supply?

NSN 5340-01-181-9546 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com