4730-01-520-3637 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Strainer Element,sediment — FSC 4730
Length: 6.156 INCHES NOMINAL IN
End Connection Type: PLAIN SECOND END
End Connection Type: FLANGED FIRST END
Style Designator: CYLINDRICAL
Element Outside Diameter: 2.500 INCHES NOMINAL IN
Material: COPPER ALLOY AND NICKEL ALLOY
Identification
NSN: 4730-01-520-3637
NIIN: 015203637
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Strainer Element,sediment, cataloged under National Stock Number 4730-01-520-3637, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4510-01-539-0903803-1385789POSSIBLE MATCH
DRAIN,FLOOR
Possible match (shared part number)Naval Sea Systems Command
4510-01-539-0913803-1385789TYPED-3IN SH 6 PC 16POSSIBLE MATCH
STRAINER,WASTE DRAIN
Possible match (shared part number)Naval Sea Systems Command
4510-01-539-0944803-1385789TYPED-3IN SH 6 PC 4POSSIBLE MATCH
BAFFLE,DECK DRAIN
Possible match (shared part number)Naval Sea Systems Command
4510-01-539-6281803-1385789TYDSZ2INAL706POSSIBLE MATCH
DRAIN,FLOOR
Possible match (shared part number)Naval Sea Systems Command
4510-01-609-3725803-1385789G 1.5INPOSSIBLE MATCH
DRAIN,FLOOR
Possible match (shared part number)National Brass Company
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
803-1385789
D/9Drawing number reference only
U.S. Government activity
803-1385789 PC.3(2-1/2 IN.)
5/9Secondary reference
U.S. Government activity
1385789 PC.3(2-1/2 INCH)
3/2Design control — primary reference
U.S. Government activity
Related Parts
4510-01-539-0903POSSIBLE MATCH
DRAIN,FLOOR
803-1385789
4510-01-539-0913POSSIBLE MATCH
STRAINER,WASTE DRAIN
803-1385789TYPED-3IN SH 6 PC 16
4510-01-539-0944POSSIBLE MATCH
BAFFLE,DECK DRAIN
803-1385789TYPED-3IN SH 6 PC 4
4510-01-539-6281POSSIBLE MATCH
DRAIN,FLOOR
803-1385789TYDSZ2INAL706
4510-01-609-3725POSSIBLE MATCH
DRAIN,FLOOR
803-1385789G 1.5IN
Frequently Asked Questions
What is NSN 4730-01-520-3637?
NSN 4730-01-520-3637 is a Strainer Element,sediment, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-520-3637?
5 possible matches (shared part number, not a government interchangeability claim): 4510-01-539-0903, 4510-01-539-0913, 4510-01-539-0944. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-520-3637?
Key specifications for 4730-01-520-3637: Length: 6.156 INCHES NOMINAL IN; End Connection Type: PLAIN SECOND END; End Connection Type: FLANGED FIRST END; Style Designator: CYLINDRICAL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-520-3637 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.