The Spool and Sleeve Ay, cataloged under National Stock Number 4320-01-019-9897, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
4320-01-019-9897
Item Name
Spool and Sleeve Ay
FSC / FSG
4320 / 43 — Power and Hand Pumps
Status
ACTIVE
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.
4720-01-099-3195685-69951POSSIBLE MATCH
HOSE,AIR DUCT
Possible match (shared part number)Wheeler Fleet Solutions, Co.
5342-01-160-739469951POSSIBLE MATCH
CATCH
Possible match (shared part number)Overhead Door Corp Todco Div Marion
4730-01-281-134269951POSSIBLE MATCH
TRAP,STEAM
Possible match (shared part number)Getinge Usa Inc
5340-01-547-4829118-6588POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
69951
3/2Design control — primary reference
U.S. Government activity
69951
5/1Secondary reference
Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations
Related Parts
4720-01-099-3195POSSIBLE MATCH
HOSE,AIR DUCT
685-69951
5342-01-160-7394POSSIBLE MATCH
CATCH
69951
4730-01-281-1342POSSIBLE MATCH
TRAP,STEAM
69951
5340-01-547-4829POSSIBLE MATCH
COVER,ACCESS
118-6588
Frequently Asked Questions
What is NSN 4320-01-019-9897?
NSN 4320-01-019-9897 is a Spool and Sleeve Ay, classified under FSC 4320, Power and Hand Pumps. Status: active.
What NSN replaces 4320-01-019-9897?
4 possible matches (shared part number, not a government interchangeability claim): 4720-01-099-3195, 5342-01-160-7394, 4730-01-281-1342. Verify interchangeability with system specifications before substitution.
What are the specifications of 4320-01-019-9897?
Key specifications for 4320-01-019-9897: End Item Identification: PUMP 4320-00-607-7679. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-019-9897 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.