NSN 4820-00-244-1691 · NIIN 002441691 · Part number A02HS186-1
The Boeing Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 77272
Government record, cited
NSN 4820-00-244-1691 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-244-1691. Manufacturer of record part number: A02HS186-1.
Also searched as4820-00-244-1691 ·
4820002441691 ·
NIIN 002441691 ·
00-244-1691 ·
FSC 4820 Valves, Nonpowered · CAGE 77272 · A02HS186-1
General Characteristics Item Description: 4.300 IN. LG O/A,1.366 IN. NOM DIA O/A IN
1 manufacturer part number on file
Manufacturer of record: The Boeing Company
Identification
NSN: 4820-00-244-1691
NIIN: 002441691
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A02HS186-1
Manufacturer: The Boeing Company
General Description
The Module Assembly,pressure Relief, cataloged under National Stock Number 4820-00-244-1691, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing 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. Current acquisition status: Active.
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 4820-00-244-1691?
NSN 4820-00-244-1691 is a Module Assembly,pressure Relief, manufactured by The Boeing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-244-1691?
NSN 4820-00-244-1691 has 1 manufacturer part number on file: A02HS186-1 (The Boeing Company).
What are the specifications of A02HS186-1?
Key specifications for A02HS186-1: General Characteristics Item Description: 4.300 IN. LG O/A,1.366 IN. NOM DIA O/A IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-244-1691 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.