NSN 1730-00-003-0749 — this item is cataloged by the U.S. Government under National Stock Number 1730-00-003-0749. Manufacturer of record part number: P27-0543.
Nearby stock numbers← 1730-00-003-0402 Cover, Aircraft Ground Servicing
·
1730-00-003-0754 Guide, Front Flange Jet Engine Vi →
Features
Cover,spray Unit — FSC 1730
General Characteristics Item Description: 6 IN. DIA MIN;6 3/16 IN. DIA MAX IN
1 manufacturer part number on file
Manufacturer of record: Donaldson Company, Inc.
Identification
NSN: 1730-00-003-0749
NIIN: 000030749
FSC: 1730 — Aircraft Ground Servicing Equipment
FSG: 17 — Aircraft Launch, Landing, and Ground Handling Equipment
Primary part number: P27-0543
Manufacturer: Donaldson Company, Inc.
General Description
The Cover,spray Unit, cataloged under National Stock Number 1730-00-003-0749, is classified within Federal Supply Class 1730 (Aircraft Ground Servicing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Donaldson Company, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
1730-00-003-0749
Primary Part Number
P27-0543
Item Name
Cover,spray Unit
FSC / FSG
1730 / 17 — Aircraft Ground Servicing Equipment
Manufacturer
Donaldson Company, Inc.
Status
ACTIVE
General Characteristics Item Description
6 IN. DIA MIN;6 3/16 IN. DIA MAX IN
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 Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-00-349-6587POSSIBLE MATCH
RING,WEARING
Possible match (shared part number)
4730-00-447-405730178POSSIBLE MATCH
PACKING NUT
Possible match (shared part number)Brinkley Technology Group Llc Dba Hercules Manufacturing
3820-00-617-797530178POSSIBLE MATCH
HOPPER,CONVEYOR
Possible match (shared part number)Eagle Crusher Co Inc Dba Stedman Machine Co
5962-01-045-54363713POSSIBLE MATCH
MICROCIRCUIT,DIGITAL
Possible match (shared part number)Data Device Corp Dba Beta Transformer Technology
5940-01-069-8914POSSIBLE MATCH
SPLICE,CONDUCTOR
Possible match (shared part number)
5315-01-199-701330178POSSIBLE MATCH
PIN,HOLLOW
Possible match (shared part number)Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5365-01-243-728130178POSSIBLE MATCH
RING SPECIAL
Possible match (shared part number)Leupold & Stevens Inc
4820-01-254-488230178POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)Danuser Machine Co
4140-01-388-8374POSSIBLE MATCH
FAN,VENTILATING
Possible match (shared part number)
1005-01-623-891430178POSSIBLE MATCH
SUPPRESSOR,SMALL ARMS WEAPON
Possible match (shared part number)Charles Reed Knight Jr Dba Knight's Armament Company
NSN 1730-00-003-0749 is a Cover,spray Unit, manufactured by Donaldson Company, Inc., classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
What part numbers are listed for NSN 1730-00-003-0749?
NSN 1730-00-003-0749 has 1 manufacturer part number on file: P27-0543 (Donaldson Company, Inc.).
What NSN replaces 1730-00-003-0749?
10 possible matches (shared part number, not a government interchangeability claim): 4320-00-349-6587, 4730-00-447-4057, 3820-00-617-7975. Verify interchangeability with system specifications before substitution.
What are the specifications of P27-0543?
Key specifications for P27-0543: General Characteristics Item Description: 6 IN. DIA MIN;6 3/16 IN. DIA MAX IN; End Item Identification: RTC SPRAY UNIT AF MODEL RT 48. 1 specification is documented in the U.S. Government catalog.
Is NSN 1730-00-003-0749 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.