The Flange Mount, cataloged under National Stock Number 4320-00-461-3138, 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(Power and Hand Pumps) of the Pumps and Compressors group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Flange Mount
FSC / FSG
4320 — Power and Hand Pumps (FSG 43)
Technical Specifications
Parameter
Value
NSN
4320-00-461-3138
Item Name
Flange Mount
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.
5955-01-389-1498AV-7248POSSIBLE MATCH
OSCILLATOR,NONCRYSTAL CONTROLLED
Possible match (shared part number)Agilent Technologies Inc. Div Semiconductor Products Group Business Center
2940-01-508-4600204003POSSIBLE MATCH
FILTER ELEMENT,INTAKE AIR CLEANE
Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense
6515-01-563-949320-4003POSSIBLE MATCH
SEALANT SYSTEM,SURGICAL
Possible match (shared part number)Confluent Surgical
4730-01-572-1683204003POSSIBLE MATCH
ADAPTER,STRAIGHT,PI
Possible match (shared part number)Lockheed Martin Corporation
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
204003
3/9Design control — primary reference
Kline Manufacturing Co Inc
204003
5/9Secondary reference
Bosch Automation Technology
Related Parts
5955-01-389-1498POSSIBLE MATCH
OSCILLATOR,NONCRYSTAL CONTROLLED
AV-7248
2940-01-508-4600POSSIBLE MATCH
FILTER ELEMENT,INTAKE AIR CLEANE
204003
6515-01-563-9493POSSIBLE MATCH
SEALANT SYSTEM,SURGICAL
20-4003
4730-01-572-1683POSSIBLE MATCH
ADAPTER,STRAIGHT,PI
204003
Frequently Asked Questions
What is NSN 4320-00-461-3138?
NSN 4320-00-461-3138 is a Flange Mount, classified under FSC 4320, Power and Hand Pumps. Status: active.
What NSN replaces 4320-00-461-3138?
4 possible matches (shared part number, not a government interchangeability claim): 5955-01-389-1498, 2940-01-508-4600, 6515-01-563-9493. Verify interchangeability with system specifications before substitution.
Is NSN 4320-00-461-3138 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.