NSN 4320-00-033-8538 · NIIN 000338538 · Part number 5224-022
Woodward, Inc. Div Fuel Systems and Controls · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 66503
Government record, cited
NSN 4320-00-033-8538 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-033-8538. Manufacturer of record part number: 5224-022.
Also searched as4320-00-033-8538 ·
4320000338538 ·
NIIN 000338538 ·
00-033-8538 ·
FSC 4320 Power and Hand Pumps · CAGE 66503 · 5224-022
General Characteristics Item Description: MATERIAL ALUMINUM ALLOY,O/A DIM. 2.107 IN. LG BY 0.810 IN. DIA IN
1 manufacturer part number on file
Manufacturer of record: Woodward, Inc. Div Fuel Systems and Controls
Identification
NSN: 4320-00-033-8538
NIIN: 000338538
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 5224-022
Manufacturer: Woodward, Inc. Div Fuel Systems and Controls
General Description
The Rotor,pump Unloading Valve, cataloged under National Stock Number 4320-00-033-8538, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. 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.
Technical Specifications
Parameter
Value
NSN
4320-00-033-8538
Primary Part Number
5224-022
Item Name
Rotor,pump Unloading Valve
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Woodward, Inc. Div Fuel Systems and Controls
Status
ACTIVE
General Characteristics Item Description
MATERIAL ALUMINUM ALLOY,O/A DIM. 2.107 IN. LG BY 0.810 IN. DIA IN
Woodward, Inc. Div Fuel Systems and Controls (USA)
No interchangeability data on file.
Other items in FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633
4320-00-001-1633 · Item name not on file
4320-00-001-2628
RETAINER AND PIN
4320-00-001-2629
HOUSING AND PIN
4320-00-001-2630
PUMP,CENTRIFUGAL
4320-00-001-2631
4320-00-001-2631 · Item name not on file
4320-00-001-2632
4320-00-001-2632 · Item name not on file
4320-00-001-3377
4320-00-001-3377 · Item name not on file
4320-00-001-3384
4320-00-001-3384 · Item name not on file
Frequently Asked Questions
What is NSN 4320-00-033-8538?
NSN 4320-00-033-8538 is a Rotor,pump Unloading Valve, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-00-033-8538?
NSN 4320-00-033-8538 has 1 manufacturer part number on file: 5224-022 (Woodward, Inc. Div Fuel Systems and Controls).
What are the specifications of 5224-022?
Key specifications for 5224-022: General Characteristics Item Description: MATERIAL ALUMINUM ALLOY,O/A DIM. 2.107 IN. LG BY 0.810 IN. DIA IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-00-033-8538 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 4320-00-033-8538?
NSN 4320-00-033-8538 has DEMIL Code B. 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.