NSN 4820-01-151-3738 · NIIN 011513738 · Part number 3M-5433 PART 2 1 1/2IN
Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 52406
Government record, cited
NSN 4820-01-151-3738 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-151-3738. Manufacturer of record part number: 3M-5433 PART 2 1 1/2IN.
Also searched as4820-01-151-3738 ·
4820011513738 ·
NIIN 011513738 ·
01-151-3738 ·
FSC 4820 Valves, Nonpowered · CAGE 52406 · 3M-5433 PART 2 1 1/2IN · 3M-5433 · 3189104-21
Flange Seat to Disk End Height: 0.635 INCHES NOMINAL IN
Flange Diameter: 2.625 INCHES NOMINAL IN
Thread Length: 0.565 INCHES NOMINAL SINGLE THREADED PORTION IN
Style Designator: THREADED FLANGED
Body Inside Diameter: 1.500 INCHES NOMINAL IN
Nominal Thread Size: 2.000 INCHES SINGLE THREADED PORTION IN
Under Flange Height: 0.665 INCHES NOMINAL IN
Identification
NSN: 4820-01-151-3738
NIIN: 011513738
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3M-5433 PART 2 1 1/2IN
Manufacturer: Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-151-3738, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-151-3738
Primary Part Number
3M-5433 PART 2 1 1/2IN
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
Status
ACTIVE
Flange Seat to Disk End Height
0.635 INCHES NOMINAL IN
Flange Diameter
2.625 INCHES NOMINAL IN
Thread Length
0.565 INCHES NOMINAL SINGLE THREADED PORTION IN
Style Designator
THREADED FLANGED
Body Inside Diameter
1.500 INCHES NOMINAL IN
Nominal Thread Size
2.000 INCHES SINGLE THREADED PORTION IN
Under Flange Height
0.665 INCHES NOMINAL IN
Material
STEEL CORROSION RESISTING OVERALL
Thread Series Designator
NPT SINGLE THREADED PORTION
Seating Surface Shape
FLAT
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-151-38603M-5433 PART 4 1 1/2INPOSSIBLE MATCH
CYLINDER,VALVE
Possible match (shared part number)Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
4820-01-152-3032229-M-1IN 600PSIPOSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
4820-01-159-29443M-5433 PART 5,5A,15 1INPOSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
4820-01-161-0901229-M 1 1/2 IN 600PSIPOSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
4820-01-166-71073189104-21POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-192-59743M-5433-1 PART 4POSSIBLE MATCH
CYLINDER,VALVE
Possible match (shared part number)Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
4820-01-463-59653M-5433PART2POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company (USA)
Reference documents
Reference
Meaning
3M-5433
D/9Drawing number reference only
Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company
3189104-21
C/1Advisory reference — outside the item-of-supply concept
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Related Parts
4820-01-151-3860POSSIBLE MATCH
CYLINDER,VALVE
3M-5433 PART 4 1 1/2IN
4820-01-152-3032POSSIBLE MATCH
VALVE,GLOBE
229-M-1IN 600PSI
4820-01-159-2944POSSIBLE MATCH
STEM,FLUID VALVE
3M-5433 PART 5,5A,15 1IN
4820-01-161-0901POSSIBLE MATCH
VALVE,GLOBE
229-M 1 1/2 IN 600PSI
4820-01-166-7107POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
3189104-21
4820-01-192-5974POSSIBLE MATCH
CYLINDER,VALVE
3M-5433-1 PART 4
4820-01-463-5965POSSIBLE MATCH
SEAT,VALVE
3M-5433PART2
Frequently Asked Questions
What is NSN 4820-01-151-3738?
NSN 4820-01-151-3738 is a Seat,valve, manufactured by Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-151-3738?
NSN 4820-01-151-3738 has 1 manufacturer part number on file: 3M-5433 PART 2 1 1/2IN (Ruggles-Klingemann Mfg Co Dba the Ruggles-Klingemann Company).
What NSN replaces 4820-01-151-3738?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-151-3860, 4820-01-152-3032, 4820-01-159-2944. Verify interchangeability with system specifications before substitution.
What are the specifications of 3M-5433 PART 2 1 1/2IN?
Key specifications for 3M-5433 PART 2 1 1/2IN: Flange Seat to Disk End Height: 0.635 INCHES NOMINAL IN; Flange Diameter: 2.625 INCHES NOMINAL IN; Thread Length: 0.565 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-151-3738 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.