NSN 4320-01-273-1329 · NIIN 012731329 · Part number 43328
Bourns Inc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 32997
Government record, cited
NSN 4320-01-273-1329 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-273-1329. Manufacturer of record part number: 43328.
Also searched as4320-01-273-1329 ·
4320012731329 ·
NIIN 012731329 ·
01-273-1329 ·
FSC 4320 Power and Hand Pumps · CAGE 32997 · 43328 · 711233-75 · 711033-075
The Deflector,dirt and Liquid, cataloged under National Stock Number 4320-01-273-1329, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Bourns Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
Technical Specifications
Parameter
Value
NSN
4320-01-273-1329
Primary Part Number
43328
Item Name
Deflector,dirt and Liquid
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Bourns Inc
Status
ACTIVE
Material
STEEL CORROSION RESISTING
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 Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5120-01-528-414700943328000POSSIBLE MATCH
SOCKET,SOCKET WRENCH
Possible match (shared part number)Sears, Roebuck and Co. Dba Sears Div Sears Commercial
3110-01-620-693543328POSSIBLE MATCH
SEAT,BEARING
Possible match (shared part number)Measurement Systems Inc
5365-01-629-491543328-1POSSIBLE MATCH
SPACER,PLATE
Possible match (shared part number)Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
NSN 4320-01-273-1329 is a Deflector,dirt and Liquid, manufactured by Bourns Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-273-1329?
NSN 4320-01-273-1329 has 2 manufacturer part numbers on file: 711233-75 (Slce Watermakers), 43328 (Bourns Inc).
What NSN replaces 4320-01-273-1329?
3 possible matches (shared part number, not a government interchangeability claim): 5120-01-528-4147, 3110-01-620-6935, 5365-01-629-4915. Verify interchangeability with system specifications before substitution.
What are the specifications of 43328?
Key specifications for 43328: End Item Identification: PUMP MODELS 530,550,560 CAT PUMPS CORP; Material: STEEL CORROSION RESISTING. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-01-273-1329 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.