The Cap,pujp, cataloged under National Stock Number 4320-00-918-8259, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Cap,pujp
FSC / FSG
4320 — Power and Hand Pumps (FSG 43)
Technical Specifications
Parameter
Value
NSN
4320-00-918-8259
Item Name
Cap,pujp
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-312-50651959POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
Possible match (shared part number)Howell Laboratories Inc Dba Howell Laboratories Inc
5985-01-424-60511959POSSIBLE MATCH
COUPLER,ANTENNA
Possible match (shared part number)Tech Resources, Inc
6640-01-596-4742CFH-25POSSIBLE MATCH
HOLDER,FILTER
Possible match (shared part number)Hi-Q Environmental Products Co Inc
6105-01-666-35311959POSSIBLE MATCH
ADAPTER,MOTOR,ELECTRICAL
Possible match (shared part number)Vescor Corp
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
1959
3/9Design control — primary reference
U.S. Government activity
Related Parts
4820-01-312-5065POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
1959
5985-01-424-6051POSSIBLE MATCH
COUPLER,ANTENNA
1959
6640-01-596-4742POSSIBLE MATCH
HOLDER,FILTER
CFH-25
6105-01-666-3531POSSIBLE MATCH
ADAPTER,MOTOR,ELECTRICAL
1959
Frequently Asked Questions
What is NSN 4320-00-918-8259?
NSN 4320-00-918-8259 is a Cap,pujp, classified under FSC 4320, Power and Hand Pumps. Status: active.
What NSN replaces 4320-00-918-8259?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-312-5065, 5985-01-424-6051, 6640-01-596-4742. Verify interchangeability with system specifications before substitution.
Is NSN 4320-00-918-8259 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.