Material Document and Classification: QQ-N-286 FED SPEC ALL MATERIAL RESPONSES OVERALL
Material: COPPER ALLOY OVERALL
Identification
NSN: 4320-01-209-4527
NIIN: 012094527
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
General Description
The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-209-4527, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4320-01-209-4527
Item Name
Sleeve,shaft,pump
FSC / FSG
4320 / 43 — Power and Hand Pumps
Status
ACTIVE
Material Document and Classification
QQ-N-286 FED SPEC ALL MATERIAL RESPONSES OVERALL
Material
COPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-209-4552CA9801-9POSSIBLE MATCH
RING,WEARING
Possible match (shared part number)Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-209-4565CA9801-18POSSIBLE MATCH
DEFLECTOR,DIRT AND LIQUID
Possible match (shared part number)Air & Liquid Systems Corporation Dba Buffalo Pumps
5365-01-209-9648CA9801-11POSSIBLE MATCH
BUSHING,THROAT,PUMP
Possible match (shared part number)Air & Liquid Systems Corporation Dba Buffalo Pumps
4320-01-280-9032CA9801-3-1GM11POSSIBLE MATCH
IMPELLER,PUMP,CENTRIFUGAL
Possible match (shared part number)Air & Liquid Systems Corporation Dba Buffalo Pumps
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
CA9801
D/9Drawing number reference only
U.S. Government activity
CA9801 PIECE 8
5/2Secondary reference
U.S. Government activity
CA9801-8
3/2Design control — primary reference
U.S. Government activity
Related Parts
4320-01-209-4552POSSIBLE MATCH
RING,WEARING
CA9801-9
4320-01-209-4565POSSIBLE MATCH
DEFLECTOR,DIRT AND LIQUID
CA9801-18
5365-01-209-9648POSSIBLE MATCH
BUSHING,THROAT,PUMP
CA9801-11
4320-01-280-9032POSSIBLE MATCH
IMPELLER,PUMP,CENTRIFUGAL
CA9801-3-1GM11
Frequently Asked Questions
What is NSN 4320-01-209-4527?
NSN 4320-01-209-4527 is a Sleeve,shaft,pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
What NSN replaces 4320-01-209-4527?
4 possible matches (shared part number, not a government interchangeability claim): 4320-01-209-4552, 4320-01-209-4565, 5365-01-209-9648. Verify interchangeability with system specifications before substitution.
What are the specifications of 4320-01-209-4527?
Key specifications for 4320-01-209-4527: Material Document and Classification: QQ-N-286 FED SPEC ALL MATERIAL RESPONSES OVERALL; Material: COPPER ALLOY OVERALL. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-209-4527 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.