PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RFI75-1Cap,protective,dust and Moisture

Lockheed Martin Corporation · NSN 5340-01-687-8641 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-687-8641 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-687-8641. Primary manufacturer part number: RFI75-1.
Features
  • Cap,protective,dust and Moisture — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corporation
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 5340-01-687-8641, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists 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)
ManufacturersLockheed Martin Corporation (CAGE 0L1E5)
Technical Specifications
ParameterValue
NSN5340-01-687-8641
Primary Part NumberRFI75-1
Item NameCap,protective,dust and Moisture
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
5935-01-257-7024RFI75-1 INTERCHANGEABLE
Cover,electrical Connector
Trompeter Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
RFI75-1 PRIMARY Lockheed Martin Corporation (USA)
Related Parts
5935-01-257-7024INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
RFI75-1

Frequently Asked Questions

What is NSN 5340-01-687-8641?

NSN 5340-01-687-8641 is a Cap,protective,dust and Moisture, manufactured by Lockheed Martin Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-687-8641?

NSN 5340-01-687-8641 has 1 cross-referenced part number: RFI75-1 (Lockheed Martin Corporation).

What NSN replaces 5340-01-687-8641?

There is 1 known substitute for 5340-01-687-8641: 5935-01-257-7024. Verify interchangeability with system specifications before substitution.

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