4730-00-174-5941 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Flange,pipe — FSC 4730
Socket Diameter: 1.330 INCHES NOMINAL IN
Flange Diameter: 4.875 INCHES NOMINAL IN
Face Seating Surface Condition: MACHINED
Nominal Pipe Size for Which Designed: 1.000 INCHES IN
Maximum Operating Temp and Media for Which Designed: 850.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
Operating Pressure and Type: 600.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 1000.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Flange Section Style: RAISED FACE, SOCKET NECK
Identification
NSN: 4730-00-174-5941
NIIN: 001745941
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 4730-00-174-5941, 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 18 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government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
850.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
Operating Pressure and Type
600.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 1000.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Flange Section Style
RAISED FACE, SOCKET NECK
Style Designator
ROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter
0.750 INCHES NOMINAL IN
Neck Height
0.500 INCHES NOMINAL IN
Material Document and Classification
MIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE
Departure From Cited Designator
AS MODIFIED BY FLANGE,PIPE,1 IN. NOM PIPE SIZE IN
Bolt Hole Quantity
4
Bolt Circle Diameter
3.500 INCHES NOMINAL IN
Raised Face Diameter
2.750 INCHES NOMINAL IN
Raised Face Height
0.250 INCHES NOMINAL IN
Material
STEEL
Thickness
0.688 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 Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-174-5942POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)
4730-00-174-5943POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)
4730-00-289-8133POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)
4730-00-289-8134POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)
4730-00-289-8137POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)
4730-00-541-0490POSSIBLE MATCH
FLANGE,PIPE,BLIND
Possible match (shared part number)
4730-01-016-6383POSSIBLE MATCH
FLANGE,PIPE
Possible match (shared part number)
4730-01-055-2660POSSIBLE MATCH
FLANGE,PIPE,BLIND
Possible match (shared part number)
4730-01-055-2661POSSIBLE MATCH
FLANGE,PIPE,BLIND
Possible match (shared part number)
4730-01-055-2662POSSIBLE MATCH
FLANGE,PIPE,BLIND
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
5000S4823-64496
D/9Drawing number reference only
U.S. Government activity
5000S4823-64496
5/9Secondary reference
Derbyshire Machine & Tool Co
ASME B16.5
3/1Design control — primary reference
U.S. Government activity
ASAB16-5
3/1Design control — primary reference
U.S. Government activity
5000S4823-64496
5/9Secondary reference
Mindeco Corp
Related Parts
4730-00-174-5942POSSIBLE MATCH
FLANGE,PIPE
4730-00-174-5943POSSIBLE MATCH
FLANGE,PIPE
4730-00-289-8133POSSIBLE MATCH
FLANGE,PIPE
4730-00-289-8134POSSIBLE MATCH
FLANGE,PIPE
4730-00-289-8137POSSIBLE MATCH
FLANGE,PIPE
4730-00-541-0490POSSIBLE MATCH
FLANGE,PIPE,BLIND
4730-01-016-6383POSSIBLE MATCH
FLANGE,PIPE
4730-01-055-2660POSSIBLE MATCH
FLANGE,PIPE,BLIND
4730-01-055-2661POSSIBLE MATCH
FLANGE,PIPE,BLIND
4730-01-055-2662POSSIBLE MATCH
FLANGE,PIPE,BLIND
4730-01-055-2663POSSIBLE MATCH
FLANGE,PIPE,BLIND
4730-01-055-2664POSSIBLE MATCH
FLANGE,PIPE,BLIND
Frequently Asked Questions
What is NSN 4730-00-174-5941?
NSN 4730-00-174-5941 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-00-174-5941?
12 possible matches (shared part number, not a government interchangeability claim): 4730-00-174-5942, 4730-00-174-5943, 4730-00-289-8133. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-00-174-5941?
Key specifications for 4730-00-174-5941: Socket Diameter: 1.330 INCHES NOMINAL IN; Flange Diameter: 4.875 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Nominal Pipe Size for Which Designed: 1.000 INCHES IN. 18 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-174-5941 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.