NSN 4820-01-375-9533 · NIIN 013759533 · Part number AA-A958-40D4A
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 60047
Government record, cited
NSN 4820-01-375-9533 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-375-9533. Manufacturer of record part number: AA-A958-40D4A.
Manufacturer of record: Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
Identification
NSN: 4820-01-375-9533
NIIN: 013759533
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: AA-A958-40D4A
Manufacturer: Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-375-9533, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (CAGE 60047)
Technical Specifications
Parameter
Value
NSN
4820-01-375-9533
Primary Part Number
AA-A958-40D4A
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div
Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA)
Reference documents
Reference
Meaning
AA-A958-40D4A
5/9Secondary reference
Pall Aeropower Corporation
AA-A985-40D4A
5/9Secondary reference
Pall Aeropower Corp Sub of Pall Corp Mectron Industries 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 4820-01-375-9533?
NSN 4820-01-375-9533 is a Valve,safety Relief, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-375-9533?
NSN 4820-01-375-9533 has 1 manufacturer part number on file: AA-A958-40D4A (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).
Is NSN 4820-01-375-9533 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.