The Sleeve, cataloged under National Stock Number 4320-00-646-7455, 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(Power and Hand Pumps) of the Pumps and Compressors group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Sleeve
FSC / FSG
4320 — Power and Hand Pumps (FSG 43)
Technical Specifications
Parameter
Value
NSN
4320-00-646-7455
Item Name
Sleeve
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)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-171-051731-75101-3110-4POSSIBLE MATCH
PUMP,ROTARY
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Gas Turbine Fuel Systems Division
6520-01-335-791923042POSSIBLE MATCH
SPREADER,GUTTA-PERCHA,DENTAL
Possible match (shared part number)Moyco Industries Inc Union Broach Div
5133-01-662-066423042POSSIBLE MATCH
COUNTERSINK
Possible match (shared part number)Keo Cutters Div of Masco Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
23042
3/9Design control — primary reference
U.S. Government activity
23042
5/9Secondary reference
U.S. Government activity
Related Parts
4320-01-171-0517POSSIBLE MATCH
PUMP,ROTARY
31-75101-3110-4
6520-01-335-7919POSSIBLE MATCH
SPREADER,GUTTA-PERCHA,DENTAL
23042
5133-01-662-0664POSSIBLE MATCH
COUNTERSINK
23042
Frequently Asked Questions
What is NSN 4320-00-646-7455?
NSN 4320-00-646-7455 is a Sleeve, classified under FSC 4320, Power and Hand Pumps. Status: active.
What NSN replaces 4320-00-646-7455?
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-171-0517, 6520-01-335-7919, 5133-01-662-0664. Verify interchangeability with system specifications before substitution.
Is NSN 4320-00-646-7455 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.