PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

556Chuck,air,inflating

Schrader-Bridgeport International Inc Dba Schrader Automotive · NSN 4730-00-684-4343 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-684-4343 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-684-4343. Primary manufacturer part number: 556.
Features
  • Chuck,air,inflating — FSC 4730
  • Thread Location: EXTERNAL
  • Screw Thread Series Designator: NPT
  • Design Type: SINGLE FOOT
  • Special Deflator: NOT INCLUDED
  • Holding Clip: NOT INCLUDED
  • Shank Type: THREADED
  • Screw Thread Diameter: 0.125 INCHES NOMINAL IN
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Chuck,air,inflating, cataloged under National Stock Number 4730-00-684-4343, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Schrader-Bridgeport International Inc Dba Schrader Automotive. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-684-4343
Primary Part Number556
Item NameChuck,air,inflating
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSchrader-Bridgeport International Inc Dba Schrader Automotive
StatusCANCELLED
Thread LocationEXTERNAL
Screw Thread Series DesignatorNPT
Design TypeSINGLE FOOT
Special DeflatorNOT INCLUDED
Holding ClipNOT INCLUDED
Shank TypeTHREADED
Screw Thread Diameter0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5935-00-024-836321294-1 INTERCHANGEABLE
Connector,receptacle,electrical
H20 Tank Inc U S Motors Div
5945-00-062-2502 INTERCHANGEABLE
Relay,electromagnetic
2835-00-654-839621294-1 INTERCHANGEABLE
Stud,terminal
Alamo Aircraft, Ltd.
5935-00-850-148157-30240 INTERCHANGEABLE
Connector,plug,electrical
Cinch Connectivity Solutions Inc.
4820-01-183-1579300094 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker-Hannifin Corporation Div Hydraulic Accumulator Division
3120-01-309-4840300094 INTERCHANGEABLE
Bushing,sleeve
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5998-01-357-0524300094 INTERCHANGEABLE
Printed Circuit Board
Bae Systems Information and Electronic Systems Integration Inc.
4820-01-656-164230.009.4 INTERCHANGEABLE
Valve,ball
Trident Emergency Products, Llc
Cross-Reference Index
Part NumberManufacturer
556 Scovill Inc Schrader Bellows Div (USA)
K97S0010-1 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
212941 Cadillac Gage Textron Inc. (USA)
12-Z-6041-11 Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
556 PRIMARY Schrader-Bridgeport International Inc Dba Schrader Automotive (USA)
4730PL1340719 Jednolity Indeks Materialowy - Uniform Material Index (POL)
300094 Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
Related Parts
5935-00-024-8363INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
21294-1
5945-00-062-2502INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2835-00-654-8396INTERCHANGEABLE
STUD,TERMINAL
21294-1
5935-00-850-1481INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
57-30240
4820-01-183-1579INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
300094
3120-01-309-4840INTERCHANGEABLE
BUSHING,SLEEVE
300094
5998-01-357-0524INTERCHANGEABLE
PRINTED CIRCUIT BOARD
300094
4820-01-656-1642INTERCHANGEABLE
VALVE,BALL
30.009.4

Frequently Asked Questions

What is NSN 4730-00-684-4343?

NSN 4730-00-684-4343 is a Chuck,air,inflating, manufactured by Schrader-Bridgeport International Inc Dba Schrader Automotive, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-684-4343?

NSN 4730-00-684-4343 has 7 cross-referenced part numbers: 556 (Scovill Inc Schrader Bellows Div), K97S0010-1 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), 212941 (Cadillac Gage Textron Inc.), 12-Z-6041-11 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 556 (Schrader-Bridgeport International Inc Dba Schrader Automotive) and 2 more.

What NSN replaces 4730-00-684-4343?

There are 8 known substitutes for 4730-00-684-4343: 5935-00-024-8363, 5945-00-062-2502, 2835-00-654-8396 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 556?

Key specifications for 556: Thread Location: EXTERNAL; Screw Thread Series Designator: NPT; Design Type: SINGLE FOOT; Special Deflator: NOT INCLUDED. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-684-4343 still in active supply?

NSN 4730-00-684-4343 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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