4730-01-420-2545 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Flange,pipe — FSC 4730
Socket Diameter: 8.682 INCHES NOMINAL IN
Flange Diameter: 13.500 INCHES NOMINAL IN
Face Seating Surface Condition: MACHINED
Nominal Pipe Size for Which Designed: 8.000 INCHES IN
Socket Depth: 0.875 INCHES NOMINAL IN
Maximum Operating Temp and Media for Which Designed: 180.0 FAHRENHEIT GAS DEGF
Operating Pressure and Type: 200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Identification
NSN: 4730-01-420-2545
NIIN: 014202545
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Flange,pipe, cataloged under National Stock Number 4730-01-420-2545, 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 16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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.
Maximum Operating Temp and Media for Which Designed
180.0 FAHRENHEIT GAS DEGF
Operating Pressure and Type
200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Flange Section Style
PLAIN FACE, SOCKET NECK
Style Designator
ROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter
0.875 INCHES NOMINAL IN
Neck Height
1.000 INCHES NOMINAL IN
Material Document and Classification
MIL-C-15726,70-30,SOFT MIL SPEC SINGLE MATERIAL RESPONSE
Bolt Hole Quantity
8
Bolt Circle Diameter
11.750 INCHES NOMINAL IN
Material
COPPER ALLOY
Thickness
0.938 INCHES NOMINAL 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.
4730-01-420-25474715319-7POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-421-4715810-4715319 FIG 5C ITEM 52POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-421-5288810-4715319 ITEM 45 SWPOSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-421-8152810-4715319 ITEM 47 SWPOSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-421-81544715319 ITEM 48 FIG 5-CPOSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-421-815647153190ITEM 49 FIG 5-CPOSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-421-8828810-4715319 ITEM 44 SWPOSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-422-7848810-4715319,FIG.5C,ITEM 50POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-422-7851810-4715319,FIG.5C,ITEM 51POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-463-56384715319 FIG 2-A, ITEM NO. 22POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)Naval Ship Systems Command
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
4715319
D/9Drawing number reference only
U.S. Government activity
4715319 8 INCH 70/30 CUNI
5/9Secondary reference
U.S. Government activity
4715319-8
3/2Design control — primary reference
U.S. Government activity
810-4715319 FIG 2-C ITEM 8
5/2Secondary reference
U.S. Government activity
Related Parts
4730-01-420-2547POSSIBLE MATCH
FLANGE,PIPE
4715319-7
4730-01-421-4715POSSIBLE MATCH
FLANGE,PIPE
810-4715319 FIG 5C ITEM 52
4730-01-421-5288POSSIBLE MATCH
FLANGE,PIPE
810-4715319 ITEM 45 SW
4730-01-421-8152POSSIBLE MATCH
FLANGE,PIPE
810-4715319 ITEM 47 SW
4730-01-421-8154POSSIBLE MATCH
FLANGE,PIPE
4715319 ITEM 48 FIG 5-C
4730-01-421-8156POSSIBLE MATCH
FLANGE,PIPE
47153190ITEM 49 FIG 5-C
4730-01-421-8828POSSIBLE MATCH
FLANGE,PIPE
810-4715319 ITEM 44 SW
4730-01-422-7848POSSIBLE MATCH
FLANGE,PIPE
810-4715319,FIG.5C,ITEM 50
4730-01-422-7851POSSIBLE MATCH
FLANGE,PIPE
810-4715319,FIG.5C,ITEM 51
4730-01-463-5638POSSIBLE MATCH
FLANGE,PIPE
4715319 FIG 2-A, ITEM NO. 22
Frequently Asked Questions
What is NSN 4730-01-420-2545?
NSN 4730-01-420-2545 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-420-2545?
10 possible matches (shared part number, not a government interchangeability claim): 4730-01-420-2547, 4730-01-421-4715, 4730-01-421-5288. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-420-2545?
Key specifications for 4730-01-420-2545: Socket Diameter: 8.682 INCHES NOMINAL IN; Flange Diameter: 13.500 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 8.000 INCHES IN. 16 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-420-2545 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.