NSN 4820-01-502-0541 · NIIN 015020541 · Part number GBV-S2-60-0003-13
B N L Industries Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0AZ22
Government record, cited
NSN 4820-01-502-0541 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-502-0541. Manufacturer of record part number: GBV-S2-60-0003-13.
The Seat,valve, cataloged under National Stock Number 4820-01-502-0541, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is B N L Industries Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Seat,valve
FSC / FSG
4820 — Valves, Nonpowered (FSG 48)
Manufacturers
B N L Industries Inc (CAGE 0AZ22)
Technical Specifications
Parameter
Value
NSN
4820-01-502-0541
Primary Part Number
GBV-S2-60-0003-13
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
B N L Industries Inc
Status
ACTIVE
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.
4820-01-502-0545GBV-S2-60-0003-10POSSIBLE MATCH
BALL,VALVE,PORTED
Possible match (shared part number)B N L Industries Inc
4820-01-502-0549GBV-S2-60-0003-26POSSIBLE MATCH
GEAR OPERATOR,VALVE
Possible match (shared part number)B N L Industries Inc
4820-01-502-0561GBV-S2-60-0003POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)B N L Industries Inc
3020-01-502-2667GBV-S2-60-0003-32POSSIBLE MATCH
GEAR,SPUR
Possible match (shared part number)B N L Industries Inc
NSN 4820-01-502-0541 is a Seat,valve, manufactured by B N L Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-502-0541?
NSN 4820-01-502-0541 has 3 manufacturer part numbers on file: GBV-S2-60-0003 DET.NO.13 (B N L Industries Inc), GBV-S2-60-0003-13 (B N L Industries Inc), 402-AE-60-0004-A01L (B N L Industries Inc).
What NSN replaces 4820-01-502-0541?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-502-0545, 4820-01-502-0549, 4820-01-502-0561. Verify interchangeability with system specifications before substitution.
Is NSN 4820-01-502-0541 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.