4730-01-148-8246 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Outlet,boss — FSC 4730
Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 PLUG
Connection Style: GASKET SEAL (BOSS) FIRST END
Nominal Overall Length: 1.125 INCHES IN
Connection Type: THREADED INTERNAL BOSS FIRST END
Style Designator: GROOVED AND THREADED INTERNAL
Material Document and Classification: MIL-C-15726,70-30,SOFT MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Identification
NSN: 4730-01-148-8246
NIIN: 011488246
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Outlet,boss, cataloged under National Stock Number 4730-01-148-8246, 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 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
MIL-C-15726,70-30,SOFT MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed
WATER SINGLE RESPONSE
Thread Class
2B FIRST END
Material
COPPER ALLOY OVERALL
Thread Series Designator
UNF FIRST END
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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-160-58542621-053-01ASSY51POSSIBLE MATCH
BOSS ASSEMBLY,PITOT TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-276-69552621-053-01 PC 41APOSSIBLE MATCH
COUPLING,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-317-89202621-053-01 PIECE 68POSSIBLE MATCH
OUTLET,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-318-28432621-053-01 PC 99POSSIBLE MATCH
OUTLET,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-21642621-053-01 PC-29POSSIBLE MATCH
OUTLET,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-683-71032621-053-01PC124POSSIBLE MATCH
OUTLET,BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-683-75722621-053-01PC81POSSIBLE MATCH
OUTLET,BOSS
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-683-76462621-053-01PC68APOSSIBLE MATCH
OUTLET,BOSS
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
2621-053-01
D/9Drawing number reference only
U.S. Government activity
2621-053-01ASSY106
3/2Design control — primary reference
U.S. Government activity
502-4639636 F7
5/2Secondary reference
U.S. Government activity
Related Parts
4730-01-160-5854POSSIBLE MATCH
BOSS ASSEMBLY,PITOT TUBE
2621-053-01ASSY51
4730-01-276-6955POSSIBLE MATCH
COUPLING,PIPE
2621-053-01 PC 41A
4730-01-317-8920POSSIBLE MATCH
OUTLET,PIPE
2621-053-01 PIECE 68
4730-01-318-2843POSSIBLE MATCH
OUTLET,PIPE
2621-053-01 PC 99
4730-01-329-2164POSSIBLE MATCH
OUTLET,PIPE
2621-053-01 PC-29
4730-01-683-7103POSSIBLE MATCH
OUTLET,BOSS
2621-053-01PC124
4730-01-683-7572POSSIBLE MATCH
OUTLET,BOSS
2621-053-01PC81
4730-01-683-7646POSSIBLE MATCH
OUTLET,BOSS
2621-053-01PC68A
Frequently Asked Questions
What is NSN 4730-01-148-8246?
NSN 4730-01-148-8246 is a Outlet,boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-148-8246?
8 possible matches (shared part number, not a government interchangeability claim): 4730-01-160-5854, 4730-01-276-6955, 4730-01-317-8920. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-148-8246?
Key specifications for 4730-01-148-8246: Furnished Items and Quantity: 1 PREFORMED PACKING AND 1 PLUG; Connection Style: GASKET SEAL (BOSS) FIRST END; Nominal Overall Length: 1.125 INCHES IN; Connection Type: THREADED INTERNAL BOSS FIRST END. 11 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-148-8246 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.