NSN 4420-01-190-5966 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-190-5966. Manufacturer of record part number: N5267 PIECE 100.
The Head,main,cooler, cataloged under National Stock Number 4420-01-190-5966, is classified within Federal Supply Class 4420 (Heat Exchangers and Steam Condensers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4420-01-190-5966
Primary Part Number
N5267 PIECE 100
Item Name
Head,main,cooler
FSC / FSG
4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer
Tate Andale, Llc
Status
ACTIVE
General Characteristics Item Description
7.875 IN. LG; 16.125 IN. DIA IN
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-190-70933299549 PIECE 89POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-190-70943299549 PIECE 70POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-190-71063299549 PIECE 74POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-190-71073299549 PIECE 26POSSIBLE MATCH
CLAMP,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-190-71103299549 PIECE 3POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Ship Systems Command
NSN 4420-01-190-5966 is a Head,main,cooler, manufactured by Tate Andale, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
What part numbers are listed for NSN 4420-01-190-5966?
NSN 4420-01-190-5966 has 1 manufacturer part number on file: N5267 PIECE 100 (Tate Andale, Llc).
What NSN replaces 4420-01-190-5966?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-190-7093, 4820-01-190-7094, 4820-01-190-7106. Verify interchangeability with system specifications before substitution.
What are the specifications of N5267 PIECE 100?
Key specifications for N5267 PIECE 100: General Characteristics Item Description: 7.875 IN. LG; 16.125 IN. DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4420-01-190-5966 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.