NSN 4820-01-270-2464 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-270-2464. Manufacturer of record part number: 258760 ASSY B.
Also searched as4820-01-270-2464 ·
4820012702464 ·
NIIN 012702464 ·
01-270-2464 ·
FSC 4820 Valves, Nonpowered · CAGE 43689 · 258760 ASSY B · 258760
Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN
Connection Style: SOCKET ALL ENDS
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Media for Which Designed: WATER, SALT SINGLE RESPONSE
Material: PLASTIC SEAT
Material: NICKEL ALLOY BODY
Identification
NSN: 4820-01-270-2464
NIIN: 012702464
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 258760 ASSY B
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding
General Description
The Valve,ball, cataloged under National Stock Number 4820-01-270-2464, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-270-2464
Primary Part Number
258760 ASSY B
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Huntington Ingalls Inc Div Newport News Shipbuilding
Status
ACTIVE
Nominal Pipe Size Accommodated
1.500 INCHES ALL ENDS IN
Connection Style
SOCKET ALL ENDS
Connection Type
UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator
STRAIGHT THRU
Media for Which Designed
WATER, SALT SINGLE RESPONSE
Material
PLASTIC SEAT
Material
NICKEL ALLOY BODY
Material
TITANIUM FLOW CONTROL DEVICE
Material
NICKEL AND COPPER AND ALUMINUM STEM
Valve Operation Method
MANUAL
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.
4820-01-270-4992258760 ITEM 12POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-274-9164258760 ASSY EPOSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-275-4262256157 PIECE 14POSSIBLE MATCH
RETAINER,SEAT,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-416-1648258760 ITEM 69POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-416-6863258760 ITEM 58POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
4820-01-439-8619258760 PIECE 74POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)Portland Valve Llc
Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
Reference documents
Reference
Meaning
258760
D/9Drawing number reference only
Huntington Ingalls Inc Div Newport News Shipbuilding
Related Parts
4820-01-270-4992POSSIBLE MATCH
STEM,FLUID VALVE
258760 ITEM 12
4820-01-274-9164POSSIBLE MATCH
VALVE,BALL
258760 ASSY E
4820-01-275-4262POSSIBLE MATCH
RETAINER,SEAT,VALVE
256157 PIECE 14
4820-01-416-1648POSSIBLE MATCH
CAP,VALVE
258760 ITEM 69
4820-01-416-6863POSSIBLE MATCH
STEM,FLUID VALVE
258760 ITEM 58
4820-01-439-8619POSSIBLE MATCH
CAP,VALVE
258760 PIECE 74
Frequently Asked Questions
What is NSN 4820-01-270-2464?
NSN 4820-01-270-2464 is a Valve,ball, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-270-2464?
NSN 4820-01-270-2464 has 1 manufacturer part number on file: 258760 ASSY B (Huntington Ingalls Inc Div Newport News Shipbuilding).
What NSN replaces 4820-01-270-2464?
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-270-4992, 4820-01-274-9164, 4820-01-275-4262. Verify interchangeability with system specifications before substitution.
What are the specifications of 258760 ASSY B?
Key specifications for 258760 ASSY B: Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-270-2464 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.