PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST9M478-1Button,plug

The Boeing Company Div Defense · NSN 5340-00-326-4608 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-326-4608 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-326-4608. Primary manufacturer part number: ST9M478-1.
Features
  • Button,plug — FSC 5340
  • Surface Treatment: PASSIVATE
  • Prong Quantity: 2
  • Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
  • Head Height: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
  • Material: STEEL COMP 301 OR STEEL COMP 302
  • 3 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Applications requiring Steel Comp 301 or Steel Comp 302 construction
General Description

The Button,plug, cataloged under National Stock Number 5340-00-326-4608, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-326-4608
Primary Part NumberST9M478-1
Item NameButton,plug
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Surface TreatmentPASSIVATE
Prong Quantity2
Material Document and ClassificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
Head Height0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
MaterialSTEEL COMP 301 OR STEEL COMP 302
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 11
4730-00-221-2137AS4863SIZE02 MOD INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
4720-00-288-9870225-12 INTERCHANGEABLE
Hose,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
4730-00-359-5696 INTERCHANGEABLE
Clamp,hose
4320-00-379-24492-2-112ITEM8 INTERCHANGEABLE
Pump,pressurizing,gasoline
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
6645-00-449-2634 INTERCHANGEABLE
Regulator-Complete
4820-00-499-968922112 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Fairchild Industrial Products Company
5935-00-801-869610-130958-02S INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corp Div Amphenol Aerospace Operations
5945-01-127-8680ST5M1458-002 INTERCHANGEABLE
Retainer,electrical Relay
The Boeing Company Div Defense
3510-01-151-337922112 INTERCHANGEABLE
Padding Flannel,laundry Press,co
Forenta Lp
7510-01-207-396122112 INTERCHANGEABLE
Ink,stamp Pad
Shachihata Inc Usa Dba Shachihata
Cross-Reference Index
Part NumberManufacturer
ST9M478-1 PRIMARY The Boeing Company Div Defense (USA)
CXP3842 Struthers-Dunn Inc (USA)
22-112 PRIMARY Dri Relays Inc. Dba Dri Relays Inc (USA)
Related Parts
4730-00-221-2137INTERCHANGEABLE
PLUG,PIPE
AS4863SIZE02 MOD
4720-00-288-9870INTERCHANGEABLE
HOSE,NONMETALLIC
225-12
4730-00-359-5696INTERCHANGEABLE
CLAMP,HOSE
4320-00-379-2449INTERCHANGEABLE
PUMP,PRESSURIZING,GASOLINE
2-2-112ITEM8
6645-00-449-2634INTERCHANGEABLE
REGULATOR-COMPLETE
4820-00-499-9689INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
22112
5935-00-801-8696INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
10-130958-02S
5945-01-127-8680INTERCHANGEABLE
RETAINER,ELECTRICAL RELAY
ST5M1458-002
3510-01-151-3379INTERCHANGEABLE
PADDING FLANNEL,LAUNDRY PRESS,CO
22112
7510-01-207-3961INTERCHANGEABLE
INK,STAMP PAD
22112
5950-01-260-3525INTERCHANGEABLE
TRANSFORMER,POWER
VT02LKD

Frequently Asked Questions

What is NSN 5340-00-326-4608?

NSN 5340-00-326-4608 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 5340-00-326-4608?

NSN 5340-00-326-4608 has 3 cross-referenced part numbers: ST9M478-1 (The Boeing Company Div Defense), CXP3842 (Struthers-Dunn Inc), 22-112 (Dri Relays Inc. Dba Dri Relays Inc).

What NSN replaces 5340-00-326-4608?

There are 11 known substitutes for 5340-00-326-4608: 4730-00-221-2137, 4720-00-288-9870, 4730-00-359-5696 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ST9M478-1?

Key specifications for ST9M478-1: Surface Treatment: PASSIVATE; Prong Quantity: 2; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE; Head Height: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. 6 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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