NSN 4420-01-186-0503 — this item is cataloged by the U.S. Government under National Stock Number 4420-01-186-0503. Manufacturer of record part number: N5385 PIECE 100.
Also searched as4420-01-186-0503 ·
4420011860503 ·
NIIN 011860503 ·
01-186-0503 ·
FSC 4420 Heat Exchangers and Steam Condensers · CAGE 09032 · N5385 PIECE 100 · N5385
The Head,floating, cataloged under National Stock Number 4420-01-186-0503, 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. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Head,floating
FSC / FSG
4420 — Heat Exchangers and Steam Condensers (FSG 44)
Manufacturers
Tate Andale, Llc (CAGE 09032)
Technical Specifications
Parameter
Value
NSN
4420-01-186-0503
Primary Part Number
N5385 PIECE 100
Item Name
Head,floating
FSC / FSG
4420 / 44 — Heat Exchangers and Steam Condensers
Manufacturer
Tate Andale, Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4420-01-188-0705N5385 PIECE 143POSSIBLE MATCH
ADAPTER,DRAIN
Possible match (shared part number)Tate Andale, Llc
4820-01-190-6050N5385 PIECE 175POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Tate Andale, Llc
4820-01-192-5883N5385 PIECE 211POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Tate Andale, Llc
4820-01-192-6017N5385 PIECE 194POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Tate Andale, Llc
4820-01-193-77158-60-FA-T596POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
Possible match (shared part number)Tate Andale, Llc
4820-01-199-6574020451512APOSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
Possible match (shared part number)Tate Andale, Llc
4820-01-230-6760N5385 PIECE 99POSSIBLE MATCH
HEAD,VALVE
Possible match (shared part number)Tate Andale, Llc
NSN 4420-01-186-0503 is a Head,floating, manufactured by Tate Andale, Llc, classified under FSC 4420, Heat Exchangers and Steam Condensers. Status: active.
What part numbers are listed for NSN 4420-01-186-0503?
NSN 4420-01-186-0503 has 1 manufacturer part number on file: N5385 PIECE 100 (Tate Andale, Llc).
What NSN replaces 4420-01-186-0503?
7 possible matches (shared part number, not a government interchangeability claim): 4420-01-188-0705, 4820-01-190-6050, 4820-01-192-5883. Verify interchangeability with system specifications before substitution.
Is NSN 4420-01-186-0503 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.