NSN 4820-00-780-6507 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-780-6507. Manufacturer of record part number: 553481.
Also searched as4820-00-780-6507 ·
4820007806507 ·
NIIN 007806507 ·
00-780-6507 ·
FSC 4820 Valves, Nonpowered · CAGE 73030 · 553481
Flange Diameter: 0.871 INCHES MINIMUM AND 0.873 INCHES MAXIMUM IN
Body Outside Diameter: 0.800 INCHES NOMINAL IN
Body Inside Diameter: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
1 manufacturer part number on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace
Identification
NSN: 4820-00-780-6507
NIIN: 007806507
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 553481
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-780-6507, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 3 specifications, 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.
Technical Specifications
Parameter
Value
NSN
4820-00-780-6507
Primary Part Number
553481
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Hamilton Sundstrand Corporation Dba Collins Aerospace
Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
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 4820-00-780-6507?
NSN 4820-00-780-6507 is a Seat,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-780-6507?
NSN 4820-00-780-6507 has 1 manufacturer part number on file: 553481 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
What are the specifications of 553481?
Key specifications for 553481: Flange Diameter: 0.871 INCHES MINIMUM AND 0.873 INCHES MAXIMUM IN; Body Outside Diameter: 0.800 INCHES NOMINAL IN; Body Inside Diameter: 0.220 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-780-6507 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.