NSN 4420-00-065-2106 — this item is cataloged by the U.S. Government under National Stock Number 4420-00-065-2106. Manufacturer of record part number: 8528719.
Also searched as4420-00-065-2106 ·
4420000652106 ·
NIIN 000652106 ·
00-065-2106 ·
FSC 4420 Heat Exchangers and Steam Condensers · CAGE 55380 · 8528719 · 8502324 · 8502324
The Core Assembly,fluid Cooler, cataloged under National Stock Number 4420-00-065-2106, 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 Hatch & Kirk, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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
4420-00-065-2106
Primary Part Number
8528719
Item Name
Core Assembly,fluid Cooler
FSC / FSG
4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer
Hatch & Kirk, Inc.
Status
ACTIVE
Style Designator
PLATE, OBLONG
Tube Quantity
6
Core Length
5.880 INCHES NOMINAL 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 Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4420-00-360-20638502324POSSIBLE MATCH
CORE ASSEMBLY,FLUID COOLER
Possible match (shared part number)General Motors Corp
1376-01-702-77018502324POSSIBLE MATCH
PROPELLANT POWDER
Possible match (shared part number)Naval Sea Systems Command
NSN 4420-00-065-2106 is a Core Assembly,fluid Cooler, manufactured by Hatch & Kirk, Inc., classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
What part numbers are listed for NSN 4420-00-065-2106?
NSN 4420-00-065-2106 has 2 manufacturer part numbers on file: 8502324 (Hatch & Kirk, Inc.), 8528719 (Hatch & Kirk, Inc.).
What NSN replaces 4420-00-065-2106?
2 possible matches (shared part number, not a government interchangeability claim): 4420-00-360-2063, 1376-01-702-7701. Verify interchangeability with system specifications before substitution.
What are the specifications of 8528719?
Key specifications for 8528719: Style Designator: PLATE, OBLONG; Tube Quantity: 6; Core Length: 5.880 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4420-00-065-2106 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.