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NSN 4730-01-373-6532Government record, cited
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Strainer Element, Sediment4730-01-373-6532

NSN 4730-01-373-6532 · NIIN 013736532 · Part number 803-1385789 PIECE 3
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 76364
Government record, cited
NSN 4730-01-373-6532 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-373-6532. Manufacturer of record part number: 803-1385789 PIECE 3.
Also searched as  4730-01-373-6532 · 4730013736532 · NIIN 013736532 · 01-373-6532 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 76364 · 803-1385789 PIECE 3 · 803-1385789 · 808-1385789 PIE
Nearby stock numbers  ·
HOSE FITTING
4730-01-373-6532 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Strainer Element,sediment — FSC 4730
  • Filtering Media Design: SINGLE STAMPED DISK
  • Criticality Code Justification: FEAT
  • Material: COPPER ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
Identification
  • NSN: 4730-01-373-6532
  • NIIN: 013736532
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 803-1385789 PIECE 3
  • Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description

The Strainer Element,sediment, cataloged under National Stock Number 4730-01-373-6532, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-373-6532
Primary Part Number803-1385789 PIECE 3
Item NameStrainer Element,sediment
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Filtering Media DesignSINGLE STAMPED DISK
Criticality Code JustificationFEAT
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-373-67081385789 PIECE 6 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-374-0128803-1385789 PIECE 8 SIZE 3 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-383-5178380207 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Loeffler Corp
4820-01-436-6316803-1385789TYB-2IN P1ECE 6 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-511-6273803-1385789TYPEA PC 6 2 1/2 IN POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4320-01-516-8267803-1385789TYB-3IN PIECE 5 POSSIBLE MATCH
DEFLECTOR,DIRT AND LIQUID
Possible match (shared part number)Naval Ship Systems Command
4820-01-516-8277803-1385789TYB-3IN PIECE 8 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Naval Ship Systems Command
4820-01-516-8281803-1385789TYPB-3IN PIECE 6 POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)Naval Ship Systems Command
4730-01-520-36371385789 PC.3(2-1/2 INCH) POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
803-1385789 PIECE 3 PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
Reference documents
ReferenceMeaning
803-1385789 D/9 Drawing number reference only
U.S. Government activity
803-1385789 PIECE 3 5/9 Secondary reference
U.S. Government activity
803-1385789 PIECE 3 5/2 Secondary reference
U.S. Government activity
808-1385789 PIE C/1 Advisory reference — outside the item-of-supply concept
U.S. Government activity
1385789 C/1 Advisory reference — outside the item-of-supply concept
U.S. Government activity
Related Parts
4820-01-373-6708POSSIBLE MATCH
DISK,VALVE
1385789 PIECE 6
4820-01-374-0128POSSIBLE MATCH
STEM,FLUID VALVE
803-1385789 PIECE 8 SIZE 3
4820-01-383-5178POSSIBLE MATCH
STEM,FLUID VALVE
380207
4820-01-436-6316POSSIBLE MATCH
DISK,VALVE
803-1385789TYB-2IN P1ECE 6
4820-01-511-6273POSSIBLE MATCH
DISK,VALVE
803-1385789TYPEA PC 6 2 1/2 IN
4320-01-516-8267POSSIBLE MATCH
DEFLECTOR,DIRT AND LIQUID
803-1385789TYB-3IN PIECE 5
4820-01-516-8277POSSIBLE MATCH
STEM,FLUID VALVE
803-1385789TYB-3IN PIECE 8
4820-01-516-8281POSSIBLE MATCH
DISK,VALVE
803-1385789TYPB-3IN PIECE 6
4730-01-520-3637POSSIBLE MATCH
STRAINER ELEMENT,SEDIMENT
1385789 PC.3(2-1/2 INCH)

Frequently Asked Questions

What is NSN 4730-01-373-6532?

NSN 4730-01-373-6532 is a Strainer Element,sediment, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-373-6532?

NSN 4730-01-373-6532 has 1 manufacturer part number on file: 803-1385789 PIECE 3 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What NSN replaces 4730-01-373-6532?

9 possible matches (shared part number, not a government interchangeability claim): 4820-01-373-6708, 4820-01-374-0128, 4820-01-383-5178. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-1385789 PIECE 3?

Key specifications for 803-1385789 PIECE 3: Filtering Media Design: SINGLE STAMPED DISK; Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL. W/THREADED CENTER APERATURE, 6ACME-3G, 7.093 IN. DIA;2.000 IN. THK;W/ 4 0.281 IN. EQUALLY SPACED HOLES W/ CNTRSNK; 4 10-24NC-3 TAPPED HOLES. G; End Item Identification: FIRE PUMPS. VIRGINIA CLASS CGN (41), NIMITZ CLASS CVN, TICONDEROGA CLASS CG (47), KIDD CLASS DDG, FORRESTAL CLASS CV, ARLIEGH BURKE CLASS DDG, SPRUANCE CLASS DD (963).. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-373-6532 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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