Valve, Safety Relief 4820-01-323-5023 NSN 4820-01-323-5023 · NIIN 013235023 · Part number 9515033
Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 39VG9
NSN 4820-01-323-5023 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-323-5023. Manufacturer of record part number: 9515033 .
Also searched as
4820-01-323-5023 ·
4820013235023 ·
NIIN 013235023 ·
01-323-5023 ·
FSC 4820 Valves, Nonpowered · CAGE 39VG9 · 9515033
Nearby stock numbers
← 4820-01-323-5022 Valve, Safety Relief
·
4820-01-323-5034 Cock, Shutoff, Screw Stem →
4820-01-323-5023 — Valves, Nonpowered
Features
Valve,safety Relief — FSC 4820 1 manufacturer part number on file Manufacturer of record: Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
Identification
NSN: 4820-01-323-5023
NIIN: 013235023
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 9515033
Manufacturer: Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-323-5023, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Valve,safety Relief FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (CAGE 39VG9)
Technical Specifications
Parameter Value NSN 4820-01-323-5023 Primary Part Number 9515033 Item Name Valve,safety Relief FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part Number Manufacturer
9515033 PRIMARY Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc (USA)
Reference documents
Reference Meaning
9515033
3/9 Design control — primary reference General Motors Corp Electro-Motive Div
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-323-5023?
NSN 4820-01-323-5023 is a Valve,safety Relief, manufactured by Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-323-5023?
NSN 4820-01-323-5023 has 1 manufacturer part number on file: 9515033 (Progress Rail Locomotive Inc. Dba Progress Rail Switching Services Llc).
Is NSN 4820-01-323-5023 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.
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