PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-4PST4Valve,bleeder,hydraulic System

Swagelok Co · NSN 4820-01-460-0449 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-460-0449 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-460-0449. Primary manufacturer part number: SS-4PST4.
Features
  • Valve,bleeder,hydraulic System — FSC 4820
  • 8 verified cross-references
  • Primary manufacturer: Swagelok Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,bleeder,hydraulic System, cataloged under National Stock Number 4820-01-460-0449, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Swagelok Co. This item has 8 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: Active.

Catalog Facts
Item NameValve,bleeder,hydraulic System
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersOshkosh Defense Llc (CAGE 75Q65); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Swagelok Quick-Connect Co (CAGE 0ZLA5); Swagelok Co (CAGE 3T9T9); Hampton Hydraulics, Llc (CAGE 62410)
Technical Specifications
ParameterValue
NSN4820-01-460-0449
Primary Part NumberSS-4PST4
Item NameValve,bleeder,hydraulic System
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-114-2088912741 INTERCHANGEABLE
Seal,plain Encased
Rexnord Industries Llc
4730-00-196-1469A733S-121CFG INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
5950-00-208-4380 INTERCHANGEABLE
Reactor
1660-00-395-717193015 INTERCHANGEABLE
Diaphragm Assy
Honeywell International Inc. Div Aerospace - Torrance
5998-01-224-017993015 INTERCHANGEABLE
Circuit Card Assembly
Werfen Usa Llc
5340-01-334-536293015 INTERCHANGEABLE
Mount,resilient,utility
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
6350-01-420-8282 INTERCHANGEABLE
Horn Set,electrical
4210-01-730-964193015 INTERCHANGEABLE
Bracket,fire Extinguisher
Fireboy-Xintex, Inc. Dba Aetna Engineering Div Fireboy-Xintex
Cross-Reference Index
Part NumberManufacturer
3897668 Oshkosh Defense Llc (USA)
12600846 Oshkosh Defense Llc (USA)
12600846 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
SS-4PST4 Swagelok Quick-Connect Co (USA)
SS-4PST4 PRIMARY Swagelok Co (USA)
912741 Hampton Hydraulics, Llc (USA)
93015 PRIMARY Hampton Hydraulics, Llc (USA)
LSCP270078 General Dynamics Land Systems Inc. (USA)
Related Parts
5330-00-114-2088INTERCHANGEABLE
SEAL,PLAIN ENCASED
912741
4730-00-196-1469INTERCHANGEABLE
NIPPLE,PIPE
A733S-121CFG
5950-00-208-4380INTERCHANGEABLE
REACTOR
1660-00-395-7171INTERCHANGEABLE
DIAPHRAGM ASSY
93015
5998-01-224-0179INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
93015
5340-01-334-5362INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
93015
6350-01-420-8282INTERCHANGEABLE
HORN SET,ELECTRICAL
4210-01-730-9641INTERCHANGEABLE
BRACKET,FIRE EXTINGUISHER
93015

Frequently Asked Questions

What is NSN 4820-01-460-0449?

NSN 4820-01-460-0449 is a Valve,bleeder,hydraulic System, manufactured by Swagelok Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-460-0449?

NSN 4820-01-460-0449 has 8 cross-referenced part numbers: 3897668 (Oshkosh Defense Llc), 12600846 (Oshkosh Defense Llc), 12600846 (U S Army Tank Automotive Command Amsta-Im-Mm), SS-4PST4 (Swagelok Quick-Connect Co), SS-4PST4 (Swagelok Co) and 3 more.

What NSN replaces 4820-01-460-0449?

There are 8 known substitutes for 4820-01-460-0449: 5330-00-114-2088, 4730-00-196-1469, 5950-00-208-4380 and 5 more. Verify interchangeability with system specifications before substitution.

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