PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-403-1Sleeve,valve

Swagelok Co · NSN 4820-01-149-3260 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-149-3260 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-149-3260. Primary manufacturer part number: SS-403-1.
Features
  • Sleeve,valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Swagelok Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Sleeve,valve, cataloged under National Stock Number 4820-01-149-3260, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSleeve,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersSwagelok Co (CAGE 3T9T9); Whitey Co (CAGE 12623)
Technical Specifications
ParameterValue
NSN4820-01-149-3260
Primary Part NumberSS-403-1
Item NameSleeve,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-888-67784-FF4-316 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Parker-Hannifin Corporation Div Instrumentation Products Division
4730-00-977-2770SS4031 INTERCHANGEABLE
Fitting
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
4730-01-017-1466 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
4730-01-052-0268SS-403-1 INTERCHANGEABLE
Ferrule,tube,front
Swagelok Co
3655-01-112-1287 INTERCHANGEABLE
Ferrule
Cross-Reference Index
Part NumberManufacturer
SS-403-1 PRIMARY Swagelok Co (USA)
SS-403-1 Whitey Co (USA)
Related Parts
4730-00-888-6778INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
4-FF4-316
4730-00-977-2770INTERCHANGEABLE
FITTING
SS4031
4730-01-017-1466INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
4730-01-052-0268INTERCHANGEABLE
FERRULE,TUBE,FRONT
SS-403-1
3655-01-112-1287INTERCHANGEABLE
FERRULE

Frequently Asked Questions

What is NSN 4820-01-149-3260?

NSN 4820-01-149-3260 is a Sleeve,valve, manufactured by Swagelok Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-149-3260?

NSN 4820-01-149-3260 has 2 cross-referenced part numbers: SS-403-1 (Swagelok Co), SS-403-1 (Whitey Co).

What NSN replaces 4820-01-149-3260?

There are 5 known substitutes for 4820-01-149-3260: 4730-00-888-6778, 4730-00-977-2770, 4730-01-017-1466 and 2 more. Verify interchangeability with system specifications before substitution.

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