NSN 4820-01-166-7259 · NIIN 011667259 · Part number L4801507-021
The Boeing Company Div Legacy Am&m · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43999
Government record, cited
NSN 4820-01-166-7259 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-166-7259. Manufacturer of record part number: L4801507-021.
Manufacturer of record: The Boeing Company Div Legacy Am&m
Identification
NSN: 4820-01-166-7259
NIIN: 011667259
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: L4801507-021
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Body,valve, cataloged under National Stock Number 4820-01-166-7259, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 4820-01-166-7259?
NSN 4820-01-166-7259 is a Body,valve, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-166-7259?
NSN 4820-01-166-7259 has 2 manufacturer part numbers on file: L4801507-021 (The Boeing Company Div Legacy Am&m), L4801507-001 (The Boeing Company Div Legacy Am&m).
What are the specifications of L4801507-021?
Key specifications for L4801507-021: Valve Type for Which Designed: CHECK; Special Features: MAKE FROM A356 ALUMINUM INVESTMENT CASTING MIL-A-21180; End Item Identification: B-1B AIRCRAFT; Material: ALUMINUM ALLOY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-166-7259 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.
What is the DEMIL code for NSN 4820-01-166-7259?
NSN 4820-01-166-7259 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.