PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9M201-4AButton,plug

The Boeing Company Div Defense · NSN 5340-01-120-9525 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-120-9525 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-120-9525. Primary manufacturer part number: 9M201-4A.
Features
  • Button,plug — FSC 5340
  • Material Document and Classification: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OR ASAE 1045 FED SPEC ALL MATERIAL RESPONSES OR SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE
  • Style Designator: STANDARD
  • Head Height: 0.078 INCHES NOMINAL IN
  • Material: STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1045 OR STEEL COMP 1050
  • Head Outside Diameter: 0.656 INCHES NOMINAL IN
  • Prong Outside Diameter: 0.480 INCHES NOMINAL IN
  • Surface Treatment: ZINC
Applications
  • Applications requiring Steel Comp 1010 or Steel Comp 1020 or Steel Comp 1045 or Steel Comp 1050 construction
General Description

The Button,plug, cataloged under National Stock Number 5340-01-120-9525, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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.

Technical Specifications
ParameterValue
NSN5340-01-120-9525
Primary Part Number9M201-4A
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Material Document and ClassificationSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OR ASAE 1045 FED SPEC ALL MATERIAL RESPONSES OR SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE
Style DesignatorSTANDARD
Head Height0.078 INCHES NOMINAL IN
MaterialSTEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1045 OR STEEL COMP 1050
Head Outside Diameter0.656 INCHES NOMINAL IN
Prong Outside Diameter0.480 INCHES NOMINAL IN
Surface TreatmentZINC
Hole Accommodation Diameter0.438 INCHES NOMINAL IN
Material Accommodated Thickness0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
Prong Quantity8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
5340-00-684-9492 INTERCHANGEABLE
Button,plug
Cross-Reference Index
Part NumberManufacturer
SS-51043-K2915 Trw Assemblies and Fasteners Group Fasteners Div (USA)
9M201-4A PRIMARY The Boeing Company Div Defense (USA)
Related Parts
5340-00-684-9492INTERCHANGEABLE
BUTTON,PLUG

Frequently Asked Questions

What is NSN 5340-01-120-9525?

NSN 5340-01-120-9525 is a Button,plug, manufactured by The Boeing Company Div Defense, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-120-9525?

NSN 5340-01-120-9525 has 2 cross-referenced part numbers: SS-51043-K2915 (Trw Assemblies and Fasteners Group Fasteners Div), 9M201-4A (The Boeing Company Div Defense).

What NSN replaces 5340-01-120-9525?

There is 1 known substitute for 5340-01-120-9525: 5340-00-684-9492. Verify interchangeability with system specifications before substitution.

What are the specifications of 9M201-4A?

Key specifications for 9M201-4A: Material Document and Classification: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OR ASAE 1045 FED SPEC ALL MATERIAL RESPONSES OR SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE; Style Designator: STANDARD; Head Height: 0.078 INCHES NOMINAL IN; Material: STEEL COMP 1010 OR STEEL COMP 1020 OR STEEL COMP 1045 OR STEEL COMP 1050. 11 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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