NSN 4820-00-262-3552 · NIIN 002623552 · Part number 4063
L C Miller Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 09260
Government record, cited
NSN 4820-00-262-3552 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-262-3552. Manufacturer of record part number: 4063.
Also searched as4820-00-262-3552 ·
4820002623552 ·
NIIN 002623552 ·
00-262-3552 ·
FSC 4820 Valves, Nonpowered · CAGE 09260 · 4063
Nearby stock numbers← 4820-00-262-3546
·
4820-00-262-3555 Valve, Flow Control →
4820-00-262-3552 — Valves, Nonpowered
Features
Seat,valve — FSC 4820
Material: RUBBER OVERALL
1 manufacturer part number on file
Manufacturer of record: L C Miller Company
Identification
NSN: 4820-00-262-3552
NIIN: 002623552
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4063
Manufacturer: L C Miller Company
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-262-3552, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is L C Miller Company. Government technical data includes 1 specification, 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. 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
4820-00-262-3552
Primary Part Number
4063
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
L C Miller Company
Status
ACTIVE
Material
RUBBER OVERALL
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.
7920-00-550-9911POSSIBLE MATCH
HANDLE,MOP
Possible match (shared part number)
6210-00-782-17324063POSSIBLE MATCH
LENS,LIGHT
Possible match (shared part number)L3harris Technologies, Inc. Div Space and Airborne Systems
5985-01-150-2324313050POSSIBLE MATCH
COUPLER,TRANSMISSION LINE
Possible match (shared part number)Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5365-01-201-859740-63POSSIBLE MATCH
SPACER
Possible match (shared part number)Cone Drive Operations Inc
6645-01-289-62954063POSSIBLE MATCH
COUPLING CLUTCH
Possible match (shared part number)Wakmann Watch Company Inc
6625-01-689-69584063POSSIBLE MATCH
GENERATOR,SIGNAL
Possible match (shared part number)B&k Precision Corp Div B&k Precision Corporation
NSN 4820-00-262-3552 is a Seat,valve, manufactured by L C Miller Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-262-3552?
NSN 4820-00-262-3552 has 1 manufacturer part number on file: 4063 (L C Miller Company).
What NSN replaces 4820-00-262-3552?
6 possible matches (shared part number, not a government interchangeability claim): 7920-00-550-9911, 6210-00-782-1732, 5985-01-150-2324. Verify interchangeability with system specifications before substitution.
What are the specifications of 4063?
Key specifications for 4063: Overall Height: 1.540 INCHES NOMINAL IN; Material: RUBBER OVERALL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-262-3552 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.