4730-01-317-8912 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Coupling,pipe — FSC 4730
Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN
Connection Style: SOCKET (PIPE) ALL ENDS
Nominal Overall Length: 1.750 INCHES IN
Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
Style Designator: PLAIN
Material Document and Classification: MIL-C-15726,7030 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Identification
NSN: 4730-01-317-8912
NIIN: 013178912
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Coupling,pipe, cataloged under National Stock Number 4730-01-317-8912, 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 9 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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-15726,7030 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Pipe Wall Thickness Designation for Which Designed
SCHEDULE 80 ALL ENDS
Material
COPPER ALLOY OVERALL
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.
4730-01-317-89202621-053-01 PIECE 68POSSIBLE MATCH
OUTLET,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-318-15042621-791-01 PIECE 201POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-318-27311385942 PC 3 2INPOSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-318-27392621-754-01 PIECE 135POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-318-7975262115502-173AAPOSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-21512621-092-01 PC-76POSSIBLE MATCH
COUPLING,TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-21522621-092-01 PC-114POSSIBLE MATCH
COUPLING,TUBE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-329-21532621-092-01 PC-122POSSIBLE MATCH
COUPLING,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
2621-092-01 PIECE 45
5/2Secondary reference
U.S. Government activity
2621-092-01
D/9Drawing number reference only
U.S. Government activity
4684531-F22
5/2Secondary reference
U.S. Government activity
4684531
D/9Drawing number reference only
U.S. Government activity
15-08-0171
3/2Design control — primary reference
U.S. Government activity
Related Parts
4730-01-317-8920POSSIBLE MATCH
OUTLET,PIPE
2621-053-01 PIECE 68
4730-01-318-1504POSSIBLE MATCH
TAILPIECE,UNION
2621-791-01 PIECE 201
4730-01-318-2731POSSIBLE MATCH
ELBOW,PIPE
1385942 PC 3 2IN
4730-01-318-2739POSSIBLE MATCH
TEE,PIPE
2621-754-01 PIECE 135
4730-01-318-7975POSSIBLE MATCH
TAILPIECE,UNION
262115502-173AA
4730-01-329-2151POSSIBLE MATCH
COUPLING,TUBE
2621-092-01 PC-76
4730-01-329-2152POSSIBLE MATCH
COUPLING,TUBE
2621-092-01 PC-114
4730-01-329-2153POSSIBLE MATCH
COUPLING,TUBE
2621-092-01 PC-122
Frequently Asked Questions
What is NSN 4730-01-317-8912?
NSN 4730-01-317-8912 is a Coupling,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-317-8912?
8 possible matches (shared part number, not a government interchangeability claim): 4730-01-317-8920, 4730-01-318-1504, 4730-01-318-2731. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-317-8912?
Key specifications for 4730-01-317-8912: Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN; Connection Style: SOCKET (PIPE) ALL ENDS; Nominal Overall Length: 1.750 INCHES IN; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 9 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-317-8912 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.