PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J90-0103-903Cap,protective,dust and Moisture

L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications · NSN 5340-01-699-6557 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-699-6557 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-699-6557. Primary manufacturer part number: J90-0103-903.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • 3 verified cross-references
  • Primary manufacturer: L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-699-6557, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameCap,protective,dust and Moisture
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersL3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (CAGE 14304); Amphenol Corp Div Amphenol Aerospace Operations (CAGE 77820); Marine Corps Systems Command Program Manager Assault Amphibious Vehicle (CAGE 0MLM6)
Technical Specifications
ParameterValue
NSN5340-01-699-6557
Primary Part NumberJ90-0103-903
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5905-00-110-7620 INTERCHANGEABLE
Resistor,fixed,composition
3020-00-137-8246202102 INTERCHANGEABLE
Gear Cluster
Honeywell International Inc. Dba Honeywell International
5935-00-258-1194 INTERCHANGEABLE
Jack,tip
5977-00-347-7232 INTERCHANGEABLE
Brush,electrical Contact
4130-01-506-3512202 102 INTERCHANGEABLE
Filter Element,air Conditioning
Miller Electric Mfg. Llc
5340-01-592-8508202102 INTERCHANGEABLE
Cap,protective,dust and Moisture
Amphenol Corporation Div Amphenol Rf
5935-01-656-5367202102 INTERCHANGEABLE
Cover,electrical Connector
Amphenol Corp
4140-01-733-6827LCAC100-512-T13 INTERCHANGEABLE
Housing,centrifugal Fan
Snowbird Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
J90-0103-903 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
202102 PRIMARY Amphenol Corp Div Amphenol Aerospace Operations (USA)
7014300 PRIMARY Marine Corps Systems Command Program Manager Assault Amphibious Vehicle
Related Parts
5905-00-110-7620INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
3020-00-137-8246INTERCHANGEABLE
GEAR CLUSTER
202102
5935-00-258-1194INTERCHANGEABLE
JACK,TIP
5977-00-347-7232INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
4130-01-506-3512INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
202 102
5340-01-592-8508INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
202102
5935-01-656-5367INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
202102
4140-01-733-6827INTERCHANGEABLE
HOUSING,CENTRIFUGAL FAN
LCAC100-512-T13

Frequently Asked Questions

What is NSN 5340-01-699-6557?

NSN 5340-01-699-6557 is a Cap,protective,dust and Moisture, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-699-6557?

NSN 5340-01-699-6557 has 3 cross-referenced part numbers: J90-0103-903 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), 202102 (Amphenol Corp Div Amphenol Aerospace Operations), 7014300 (Marine Corps Systems Command Program Manager Assault Amphibious Vehicle).

What NSN replaces 5340-01-699-6557?

There are 8 known substitutes for 5340-01-699-6557: 5905-00-110-7620, 3020-00-137-8246, 5935-00-258-1194 and 5 more. Verify interchangeability with system specifications before substitution.

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