NSN 4820-01-211-8461 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-211-8461. Manufacturer of record part number: 255753 PIECE 6 AND 11.
Also searched as4820-01-211-8461 ·
4820012118461 ·
NIIN 012118461 ·
01-211-8461 ·
FSC 4820 Valves, Nonpowered · CAGE 43689 · 255753 PIECE 6 AND 11 · 255753
Supply Items and Quantities: BALL STEEL 1;SEAT NYLON 2
1 manufacturer part number on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding
Identification
NSN: 4820-01-211-8461
NIIN: 012118461
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 255753 PIECE 6 AND 11
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-211-8461, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-211-8461
Primary Part Number
255753 PIECE 6 AND 11
Item Name
Parts Kit,ball Valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
Component Quantity
3
Supply Items and Quantities
BALL STEEL 1;SEAT NYLON 2
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.
4820-01-217-0162255751 PIECE 39POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-220-8305255753 PIECE 4,10POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-220-8306255753 PIECE 2,8POSSIBLE MATCH
PARTS KIT,BALL VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-222-0256255753 PIECE 15POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-233-3466255753 PIECE 3POSSIBLE MATCH
BALL,VALVE,PORTED
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-233-4877255753 PIECE 5POSSIBLE MATCH
BALL,VALVE,PORTED
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-233-4878255753 PIECE 1POSSIBLE MATCH
BALL,VALVE,PORTED
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
255753 PIECE 6 AND 11
5/9Secondary reference
P J Valves Inc
255753
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
Related Parts
4820-01-217-0162POSSIBLE MATCH
STEM,FLUID VALVE
255751 PIECE 39
4820-01-220-8305POSSIBLE MATCH
PARTS KIT,BALL VALVE
255753 PIECE 4,10
4820-01-220-8306POSSIBLE MATCH
PARTS KIT,BALL VALVE
255753 PIECE 2,8
4820-01-222-0256POSSIBLE MATCH
SEAT,VALVE
255753 PIECE 15
4820-01-233-3466POSSIBLE MATCH
BALL,VALVE,PORTED
255753 PIECE 3
4820-01-233-4877POSSIBLE MATCH
BALL,VALVE,PORTED
255753 PIECE 5
4820-01-233-4878POSSIBLE MATCH
BALL,VALVE,PORTED
255753 PIECE 1
Frequently Asked Questions
What is NSN 4820-01-211-8461?
NSN 4820-01-211-8461 is a Parts Kit,ball 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 4820-01-211-8461?
NSN 4820-01-211-8461 has 1 manufacturer part number on file: 255753 PIECE 6 AND 11 (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 4820-01-211-8461?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-217-0162, 4820-01-220-8305, 4820-01-220-8306. Verify interchangeability with system specifications before substitution.
What are the specifications of 255753 PIECE 6 AND 11?
Key specifications for 255753 PIECE 6 AND 11: Component Quantity: 3; Supply Items and Quantities: BALL STEEL 1;SEAT NYLON 2; End Item Identification: SUBMARINE HULL STRUCTURE; VIRGINIA CLASS SUBMARINE, SSN-774; SUBMARINE HYDRAULIC SYSTEMS; SUBMARINE AUXILLARY AND MISCELLANEOUS SYSTEMS; LOS ANGELES CLASS SSN (688); SUBMARINE SHIP CONTROL AND NAVIGATION SYSTEMS. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-211-8461 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.