NSN 4820-00-168-0959 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-168-0959. Manufacturer of record part number: SF2.
Also searched as4820-00-168-0959 ·
4820001680959 ·
NIIN 001680959 ·
00-168-0959 ·
FSC 4820 Valves, Nonpowered · CAGE 63857 · SF2
The Disk,valve, cataloged under National Stock Number 4820-00-168-0959, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 4 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. 5 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
4820-00-168-0959
Primary Part Number
SF2
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Circor Naval Solutions Llc Dba Warren Pumps
Status
ACTIVE
Outside Diameter
2.850 INCHES NOMINAL IN
Style Designator
PLAIN
Inside Diameter
0.592 INCHES NOMINAL IN
Material
STEEL CORROSION RESISTING
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2090-00-451-3746POSSIBLE MATCH
FLOAT,DOUBLE SAFETY
Possible match (shared part number)
6760-00-453-8104POSSIBLE MATCH
CASE,SLIDE,FILE
Possible match (shared part number)
5130-01-198-8342541008POSSIBLE MATCH
PAD,ABRASIVE DISK HOLDER
Possible match (shared part number)Standard Abrasives Inc
5975-01-553-6435POSSIBLE MATCH
COVER,CONDUIT OUTLET
Possible match (shared part number)
4310-01-644-6212SF 2POSSIBLE MATCH
COMPRESSOR UNIT,RECIPROCATING
Possible match (shared part number)Air Power of New England
NSN 4820-00-168-0959 is a Disk,valve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-168-0959?
NSN 4820-00-168-0959 has 1 manufacturer part number on file: SF2 (Circor Naval Solutions Llc Dba Warren Pumps).
What NSN replaces 4820-00-168-0959?
5 possible matches (shared part number, not a government interchangeability claim): 2090-00-451-3746, 6760-00-453-8104, 5130-01-198-8342. Verify interchangeability with system specifications before substitution.
What are the specifications of SF2?
Key specifications for SF2: Overall Height: 0.185 INCHES NOMINAL IN; Outside Diameter: 2.850 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.592 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-168-0959 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.