NSN 4820-01-153-1628 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-153-1628. Manufacturer of record part number: 253341 PIECE 6.
Pressure Rating: 50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating: 775.0 FAHRENHEIT NOMINAL DEGF
Style Designator: POPPET
Material: STEEL
2 manufacturer part numbers on file
Identification
NSN: 4820-01-153-1628
NIIN: 011531628
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 253341 PIECE 6
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-153-1628, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-153-1628
Primary Part Number
253341 PIECE 6
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
Shank Diameter
2.375 INCHES NOMINAL IN
Flange Diameter
4.125 INCHES NOMINAL IN
Pressure Rating
50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating
775.0 FAHRENHEIT NOMINAL DEGF
Style Designator
POPPET
Material
STEEL
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-160-3655253341 PIECE 5POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Fluidyne Corporation Dba Fluidyne Corp
4820-01-170-5362253341 PIECE 44POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-171-1545POSSIBLE MATCH
RETAINER,DISK,VALVE
Possible match (shared part number)
5975-01-298-0844253341POSSIBLE MATCH
CONDUIT,NONMETALLIC,FLEXIBLE
Possible match (shared part number)Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
253341
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
Related Parts
4820-01-160-3655POSSIBLE MATCH
DISK,VALVE
253341 PIECE 5
4820-01-170-5362POSSIBLE MATCH
SEAT,VALVE
253341 PIECE 44
4820-01-171-1545POSSIBLE MATCH
RETAINER,DISK,VALVE
5975-01-298-0844POSSIBLE MATCH
CONDUIT,NONMETALLIC,FLEXIBLE
253341
4130-01-539-4355POSSIBLE MATCH
FILTER ELEMENT,AIR CONDITIONING
4820-01-656-0969POSSIBLE MATCH
DISK,VALVE
Frequently Asked Questions
What is NSN 4820-01-153-1628?
NSN 4820-01-153-1628 is a Disk,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-153-1628?
NSN 4820-01-153-1628 has 2 manufacturer part numbers on file: 253341PC6 (Derbyshire Machine & Tool Co), 253341 PIECE 6 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 4820-01-153-1628?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-160-3655, 4820-01-170-5362, 4820-01-171-1545. Verify interchangeability with system specifications before substitution.
What are the specifications of 253341 PIECE 6?
Key specifications for 253341 PIECE 6: Shank Diameter: 2.375 INCHES NOMINAL IN; Flange Diameter: 4.125 INCHES NOMINAL IN; Overall Height: 6.500 INCHES NOMINAL IN; Pressure Rating: 50.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-153-1628 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.