PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19434Cover,access

Sycon Corp Startmaster Div · NSN 5340-01-383-4120 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-383-4120 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-383-4120. Primary manufacturer part number: 19434.
Features
  • Cover,access — FSC 5340
  • 1 verified cross-reference
  • Primary manufacturer: Sycon Corp Startmaster Div
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Cover,access, cataloged under National Stock Number 5340-01-383-4120, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sycon Corp Startmaster Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameCover,access
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersSycon Corp Startmaster Div (CAGE 61551)
Technical Specifications
ParameterValue
NSN5340-01-383-4120
Primary Part Number19434
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerSycon Corp Startmaster Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 6
5120-00-098-4456 INTERCHANGEABLE
Driver,seal Install
5325-00-123-87203M336-4 INTERCHANGEABLE
Ring,retaining
The Boeing Company Div Defense
5325-00-124-23713M394-4 INTERCHANGEABLE
Ring,retaining
The Boeing Company Div Defense
5945-00-456-4143 INTERCHANGEABLE
Relay,electromagnetic
5331-01-232-42731943-4 INTERCHANGEABLE
O-Ring
Circor Aerospace, Inc. Dba Circor Aerospace Inc
1005-01-584-4691 INTERCHANGEABLE
Adapter,gun Mounting
Cross-Reference Index
Part NumberManufacturer
19434 Sycon Corp Startmaster Div (USA)
Related Parts
5120-00-098-4456INTERCHANGEABLE
DRIVER,SEAL INSTALL
5325-00-123-8720INTERCHANGEABLE
RING,RETAINING
3M336-4
5325-00-124-2371INTERCHANGEABLE
RING,RETAINING
3M394-4
5945-00-456-4143INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5331-01-232-4273INTERCHANGEABLE
O-RING
1943-4
1005-01-584-4691INTERCHANGEABLE
ADAPTER,GUN MOUNTING

Frequently Asked Questions

What is NSN 5340-01-383-4120?

NSN 5340-01-383-4120 is a Cover,access, manufactured by Sycon Corp Startmaster Div, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-383-4120?

NSN 5340-01-383-4120 has 1 cross-referenced part number: 19434 (Sycon Corp Startmaster Div).

What NSN replaces 5340-01-383-4120?

There are 6 known substitutes for 5340-01-383-4120: 5120-00-098-4456, 5325-00-123-8720, 5325-00-124-2371 and 3 more. Verify interchangeability with system specifications before substitution.

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