FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as4730-01-136-7484 ·
4730011367484 ·
NIIN 011367484 ·
01-136-7484 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 2621-910-01PC22 · 2621-910-01
Nearby stock numbers← 4730-01-136-7483 Adapter, Straight, Tube to Boss
·
4730-01-136-7485 Adapter, Straight, Tube to Hose →
4730-01-136-7484 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Adapter,straight,tube to Boss — FSC 4730
Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE AND 1 PREFORMED PACKING
Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Connection Style: FLARELESS (TUBE) FIRST END
Connection Type: THREADED EXTERNAL TUBE FIRST END
Connection Type: THREADED EXTERNAL BOSS SECOND END
Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Identification
NSN: 4730-01-136-7484
NIIN: 011367484
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-136-7484, 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16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
1 TUBE COUPLING NUT W/SLEEVE AND 1 PREFORMED PACKING
Connection Style
EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Connection Style
FLARELESS (TUBE) FIRST END
Connection Type
THREADED EXTERNAL TUBE FIRST END
Connection Type
THREADED EXTERNAL BOSS SECOND END
Nominal Outside Diameter Tube Accommodated
0.250 INCHES FIRST END IN
Operating Pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size
0.438 INCHES ALL ENDS IN
Seat Angle
37.0 DEGREES FIRST END
Media for Which Designed
HYDRAULIC FLUID SINGLE RESPONSE
Thread Class
2A ALL ENDS A
Thread Quantity Per Inch
20 ALL ENDS
Material
STEEL BODY
Material
STEEL COMP 316 NUT
Material
STEEL COMP 630 SLEEVE
Thread Series Designator
UN ALL ENDS
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-146-00602621-910-01ASSY41POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-153-14192621-910-01ASSY22APOSSIBLE MATCH
ADAPTER,STRAIGHT,TUBE TO BOSS
Possible match (shared part number)Guill Tool & Engineering Co Inc Div Guill Defense
4730-01-163-155117-97-4680POSSIBLE MATCH
TEE,TUBE TO BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-262-09852621-910-01ASSY13POSSIBLE MATCH
ADAPTER,STRAIGHT,TUBE TO BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-333-29162621-910-01ASSY 28POSSIBLE MATCH
ELBOW,TUBE TO BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-685-26462621-910-01ASSY58POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
2621-910-01PC22
3/2Design control — primary reference
U.S. Government activity
2621-910-01
D/9Drawing number reference only
U.S. Government activity
Related Parts
4730-01-146-0060POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
2621-910-01ASSY41
4730-01-153-1419POSSIBLE MATCH
ADAPTER,STRAIGHT,TUBE TO BOSS
2621-910-01ASSY22A
4730-01-163-1551POSSIBLE MATCH
TEE,TUBE TO BOSS
17-97-4680
4730-01-262-0985POSSIBLE MATCH
ADAPTER,STRAIGHT,TUBE TO BOSS
2621-910-01ASSY13
4730-01-333-2916POSSIBLE MATCH
ELBOW,TUBE TO BOSS
2621-910-01ASSY 28
4730-01-685-2646POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO TUBE
2621-910-01ASSY58
Frequently Asked Questions
What is NSN 4730-01-136-7484?
NSN 4730-01-136-7484 is a Adapter,straight,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-136-7484?
6 possible matches (shared part number, not a government interchangeability claim): 4730-01-146-0060, 4730-01-153-1419, 4730-01-163-1551. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-136-7484?
Key specifications for 4730-01-136-7484: Furnished Items and Quantity: 1 TUBE COUPLING NUT W/SLEEVE AND 1 PREFORMED PACKING; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARELESS (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 16 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-136-7484 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.