PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

320100Valve,shuttle

Sealco Air Controls Inc · NSN 4820-01-242-7521 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-242-7521 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-242-7521. Primary manufacturer part number: 320100.
Features
  • Valve,shuttle — FSC 4820
  • Style Designator: CROSS
  • Connection Style: GASKET SEAL(BOSS) ALL ENDS
  • Valve Operation Method: AUTOMATIC
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • Flow Control Device: PISTON
  • Connection Type: THREADED INTERNAL BOSS ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,shuttle, cataloged under National Stock Number 4820-01-242-7521, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sealco Air Controls Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-242-7521
Primary Part Number320100
Item NameValve,shuttle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSealco Air Controls Inc
StatusACTIVE
Style DesignatorCROSS
Connection StyleGASKET SEAL(BOSS) ALL ENDS
Valve Operation MethodAUTOMATIC
Nominal Thread Size0.375 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Flow Control DevicePISTON
Connection TypeTHREADED INTERNAL BOSS ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-898-25172711622-503 INTERCHANGEABLE
Strainer Element,sediment
Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems
6550-01-471-048206F10-01 INTERCHANGEABLE
Creatinine Test Reagent
Abbott Point of Care Inc.
6515-01-559-5526320100 INTERCHANGEABLE
Catheter,cardiovascular
C. R. Bard Inc. Dba Bard Electrophysiology Div Bard Electrophysiology
6550-01-569-8308320100 INTERCHANGEABLE
Mapping Catheter
Bard C R Inc Bard Electro-Physiology Div
Cross-Reference Index
Part NumberManufacturer
320100 PRIMARY Sealco Air Controls Inc (USA)
Related Parts
4730-00-898-2517INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
2711622-503
6550-01-471-0482INTERCHANGEABLE
CREATININE TEST REAGENT
06F10-01
6515-01-559-5526INTERCHANGEABLE
CATHETER,CARDIOVASCULAR
320100
6550-01-569-8308INTERCHANGEABLE
MAPPING CATHETER
320100

Frequently Asked Questions

What is NSN 4820-01-242-7521?

NSN 4820-01-242-7521 is a Valve,shuttle, manufactured by Sealco Air Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-242-7521?

NSN 4820-01-242-7521 has 1 cross-referenced part number: 320100 (Sealco Air Controls Inc).

What NSN replaces 4820-01-242-7521?

There are 4 known substitutes for 4820-01-242-7521: 4730-00-898-2517, 6550-01-471-0482, 6515-01-559-5526 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 320100?

Key specifications for 320100: Style Designator: CROSS; Connection Style: GASKET SEAL(BOSS) ALL ENDS; Valve Operation Method: AUTOMATIC; Nominal Thread Size: 0.375 INCHES ALL ENDS IN. 8 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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