PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4381Piston,atomizer,burner

Naval Ship Engineering Center Philadelphia Div · NSN 4530-01-121-6384 · FSC 4530 · No Item Name Available
Verified by PartsTable
NSN 4530-01-121-6384 — this item is cataloged by the U.S. Government under National Stock Number 4530-01-121-6384. Primary manufacturer part number: 4381.
Features
  • Piston,atomizer,burner — FSC 4530
  • General Characteristics Item Description: STEEL,CORROSION RESISTING,QQ-S-763; 2.519 IN. LG; FIRST END IS 0.415 IN. OD,W/CENTER HOLE 0.070 IN. DIA; SECOND END IS 0.360 IN. OD,W/CENTER HOLE 0.250 IN. DIA,ALSO HAS 0.620 IN. OD,0.125 IN. W FLANGE; FOR USE WITH 2856 CARTRIDGE IN
  • 4 verified cross-references
  • Primary manufacturer: Naval Ship Engineering Center Philadelphia Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Piston,atomizer,burner, cataloged under National Stock Number 4530-01-121-6384, is classified within Federal Supply Class 4530 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Naval Ship Engineering Center Philadelphia Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4530-01-121-6384
Primary Part Number4381
Item NamePiston,atomizer,burner
FSC / FSG4530 / 45 — No Item Name Available
ManufacturerNaval Ship Engineering Center Philadelphia Div
StatusACTIVE
General Characteristics Item DescriptionSTEEL,CORROSION RESISTING,QQ-S-763; 2.519 IN. LG; FIRST END IS 0.415 IN. OD,W/CENTER HOLE 0.070 IN. DIA; SECOND END IS 0.360 IN. OD,W/CENTER HOLE 0.250 IN. DIA,ALSO HAS 0.620 IN. OD,0.125 IN. W FLANGE; FOR USE WITH 2856 CARTRIDGE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-230-6529 INTERCHANGEABLE
Hose,nonmetallic
5310-00-268-6041AN121504 INTERCHANGEABLE
Nut,plain,hexagon
Sae International Dba Sae International
5980-00-340-3176 INTERCHANGEABLE
Coupler,optoelectronic
2805-00-447-9114 INTERCHANGEABLE
Valve,poppet,engine
5340-00-590-6646 INTERCHANGEABLE
Caster,rigid
4820-00-595-385614358-C INTERCHANGEABLE
Valve,gate
Blue Tee Corp. Dba Gefco
4820-00-699-01194477 INTERCHANGEABLE
Stem,brake Cylinder
Avox Systems Inc Dba Avox Systems Inc
5905-00-926-8740995-3A51 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5998-00-968-5513 INTERCHANGEABLE
Circuit Card Assembly
4530-01-092-5109 INTERCHANGEABLE
Piston,atomizer
Cross-Reference Index
Part NumberManufacturer
4381 Naval Ship Engineering Center Philadelphia Div (USA)
4477 Naval Ship Engineering Center Philadelphia Div (USA)
4381 PIECE 10B Naval Ship Engineering Center Philadelphia Div (USA)
4477-01 Naval Ship Engineering Center Philadelphia Div (USA)
Related Parts
4720-00-230-6529INTERCHANGEABLE
HOSE,NONMETALLIC
5310-00-268-6041INTERCHANGEABLE
NUT,PLAIN,HEXAGON
AN121504
5980-00-340-3176INTERCHANGEABLE
COUPLER,OPTOELECTRONIC
2805-00-447-9114INTERCHANGEABLE
VALVE,POPPET,ENGINE
5340-00-590-6646INTERCHANGEABLE
CASTER,RIGID
4820-00-595-3856INTERCHANGEABLE
VALVE,GATE
14358-C
4820-00-699-0119INTERCHANGEABLE
STEM,BRAKE CYLINDER
4477
5905-00-926-8740INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
995-3A51
5998-00-968-5513INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4530-01-092-5109INTERCHANGEABLE
PISTON,ATOMIZER
6625-01-097-2246INTERCHANGEABLE
TEST SET,RADIO FREQUENCY POWER
4381
4530-01-101-7436INTERCHANGEABLE
BARREL AND BODY ASSEMBLY,ATOMIZE

Frequently Asked Questions

What is NSN 4530-01-121-6384?

NSN 4530-01-121-6384 is a Piston,atomizer,burner, manufactured by Naval Ship Engineering Center Philadelphia Div, classified under FSC 4530 (No Item Name Available). Status: active.

What are the part numbers for NSN 4530-01-121-6384?

NSN 4530-01-121-6384 has 4 cross-referenced part numbers: 4381 (Naval Ship Engineering Center Philadelphia Div), 4477 (Naval Ship Engineering Center Philadelphia Div), 4381 PIECE 10B (Naval Ship Engineering Center Philadelphia Div), 4477-01 (Naval Ship Engineering Center Philadelphia Div).

What NSN replaces 4530-01-121-6384?

There are 12 known substitutes for 4530-01-121-6384: 4720-00-230-6529, 5310-00-268-6041, 5980-00-340-3176 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4381?

Key specifications for 4381: General Characteristics Item Description: STEEL,CORROSION RESISTING,QQ-S-763; 2.519 IN. LG; FIRST END IS 0.415 IN. OD,W/CENTER HOLE 0.070 IN. DIA; SECOND END IS 0.360 IN. OD,W/CENTER HOLE 0.250 IN. DIA,ALSO HAS 0.620 IN. OD,0.125 IN. W FLANGE; FOR USE WITH 2856 CARTRIDGE IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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