The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-126-5205, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4320-01-126-5205
Item Name
Sleeve,shaft,pump
FSC / FSG
4320 / 43 — Power and Hand Pumps
Status
ACTIVE
Material
STEEL CORROSION RESISTING 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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-178-1190010640-1POSSIBLE MATCH
HINGE
Possible match (shared part number)Sea Cure Technology, Inc
5310-01-341-652717634POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5365-01-395-780217634POSSIBLE MATCH
SHIM
Possible match (shared part number)Westerbeke Corporation
4730-01-421-340017634POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
Possible match (shared part number)Spx Fluid Power
4130-01-459-916817634POSSIBLE MATCH
VACU-DISCS
Possible match (shared part number)Dcm Clean Air Products, Inc.
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
17634
3/9Design control — primary reference
U.S. Government activity
Related Parts
5340-01-178-1190POSSIBLE MATCH
HINGE
010640-1
5310-01-341-6527POSSIBLE MATCH
WASHER,FLAT
17634
5365-01-395-7802POSSIBLE MATCH
SHIM
17634
4730-01-421-3400POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
17634
4130-01-459-9168POSSIBLE MATCH
VACU-DISCS
17634
Frequently Asked Questions
What is NSN 4320-01-126-5205?
NSN 4320-01-126-5205 is a Sleeve,shaft,pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
What NSN replaces 4320-01-126-5205?
5 possible matches (shared part number, not a government interchangeability claim): 5340-01-178-1190, 5310-01-341-6527, 5365-01-395-7802. Verify interchangeability with system specifications before substitution.
What are the specifications of 4320-01-126-5205?
Key specifications for 4320-01-126-5205: Material: STEEL CORROSION RESISTING OVERALL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-01-126-5205 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.