PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1981Boot,dust and Moisture Seal

Masimo Corporation · NSN 5340-01-721-0517 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-721-0517 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-721-0517. Primary manufacturer part number: 1981.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Masimo Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-721-0517, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Masimo Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-01-721-0517
Primary Part Number1981
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerMasimo Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-120-43381269682 INTERCHANGEABLE
Roller,bearing
Chrysler Realty Company Llc Dba Daimler Chrysler
3830-00-496-77731981 INTERCHANGEABLE
Hose Assy,rubber
New Holland Construction
5325-01-099-6090SM-B-447175-4 INTERCHANGEABLE
Eyelet,metallic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-01-203-655112342961 INTERCHANGEABLE
Seal,plain Encased
Norman Technology, Inc. Dba Nti Seals
4920-01-487-83631981 INTERCHANGEABLE
Test Station,pneumatic System Co
Avitest Llc
4240-01-565-54691981 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5120-01-650-5693 INTERCHANGEABLE
Socket,socket Wrench
6675-01-733-4441198-1 INTERCHANGEABLE
Trivet,surveying Instrument
Brunson Instrument Company Dba Brunson Instrument Co
Cross-Reference Index
Part NumberManufacturer
1981 PRIMARY Masimo Corporation (USA)
Related Parts
3110-00-120-4338INTERCHANGEABLE
ROLLER,BEARING
1269682
3830-00-496-7773INTERCHANGEABLE
HOSE ASSY,RUBBER
1981
5325-01-099-6090INTERCHANGEABLE
EYELET,METALLIC
SM-B-447175-4
5330-01-203-6551INTERCHANGEABLE
SEAL,PLAIN ENCASED
12342961
4920-01-487-8363INTERCHANGEABLE
TEST STATION,PNEUMATIC SYSTEM CO
1981
4240-01-565-5469INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1981
5120-01-650-5693INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6675-01-733-4441INTERCHANGEABLE
TRIVET,SURVEYING INSTRUMENT
198-1

Frequently Asked Questions

What is NSN 5340-01-721-0517?

NSN 5340-01-721-0517 is a Boot,dust and Moisture Seal, manufactured by Masimo Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-721-0517?

NSN 5340-01-721-0517 has 1 cross-referenced part number: 1981 (Masimo Corporation).

What NSN replaces 5340-01-721-0517?

There are 8 known substitutes for 5340-01-721-0517: 3110-00-120-4338, 3830-00-496-7773, 5325-01-099-6090 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1981?

Key specifications for 1981: Special Features: HANDHELD PROTECTIVE BOOT, SET PLATFORM, RED. 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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