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NSN 4730-00-200-0700Government record, cited
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Union, Pipe4730-00-200-0700

NSN 4730-00-200-0700 · NIIN 002000700
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-00-200-0700 · 4730002000700 · NIIN 002000700 · 00-200-0700 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 810-1385943PC2-3-7-9 · 5000S4823-841337PC1-2-4-14 · 810-1385943 · 810-1385943 ASSY H 1.25IN
Nearby stock numbers  ·
L 4.062 INCHES IN HOSE FITTING
4730-00-200-0700 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Union,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN
  • Connection Style: SOCKET BRAZING RING (PIPE) ALL ENDS
  • Coupling Flange Shape: HEXAGON
  • Nominal Overall Length: 4.062 INCHES IN
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Style Designator: SCREWED
  • Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Identification
  • NSN: 4730-00-200-0700
  • NIIN: 002000700
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description

The Union,pipe, cataloged under National Stock Number 4730-00-200-0700, 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11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications
ParameterValue
NSN4730-00-200-0700
Item NameUnion,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Nominal Pipe Size Accommodated1.250 INCHES ALL ENDS IN
Connection StyleSOCKET BRAZING RING (PIPE) ALL ENDS
Coupling Flange ShapeHEXAGON
Nominal Overall Length4.062 INCHES IN
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorSCREWED
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Seat TypeGASKET
MaterialCOPPER ALLOY TAILPIECE
MaterialCOPPER ALLOY THREAD PIECE
MaterialNICKEL NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-088-732615-12-9793 POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-088-73511385943ASSYMOD1.5IN POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-097-4724 POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)
4730-01-113-933415-12-2144 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-136-2047810-1385943ASSYHMOD 2IN POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-149-669315-12-0006 POSSIBLE MATCH
NUT,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-156-8230810-1385943 PC7 POSSIBLE MATCH
NUT,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-183-1403810-1385943PC7 1/4 INCH POSSIBLE MATCH
NUT,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-189-4795810-1385943 PC3AND8(1/4IPS) POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Naval Ship Systems Command
4730-01-189-4797810-1385943 PC-3 3/8 IN IPS POSSIBLE MATCH
TAILPIECE,UNION
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
ReferenceMeaning
810-1385943PC2-3-7-9 5/9 Secondary reference
U.S. Government activity
5000S4823-841337PC1-2-4-14 5/9 Secondary reference
U.S. Government activity
810-1385943 D/9 Drawing number reference only
U.S. Government activity
810-1385943 ASSY H 1.25IN 3/2 Design control — primary reference
U.S. Government activity
Related Parts
4730-01-088-7326POSSIBLE MATCH
UNION,PIPE
15-12-9793
4730-01-088-7351POSSIBLE MATCH
TAILPIECE,UNION
1385943ASSYMOD1.5IN
4730-01-097-4724POSSIBLE MATCH
UNION,PIPE
4730-01-113-9334POSSIBLE MATCH
TAILPIECE,UNION
15-12-2144
4730-01-136-2047POSSIBLE MATCH
TAILPIECE,UNION
810-1385943ASSYHMOD 2IN
4730-01-149-6693POSSIBLE MATCH
NUT,UNION
15-12-0006
4730-01-156-8230POSSIBLE MATCH
NUT,UNION
810-1385943 PC7
4730-01-183-1403POSSIBLE MATCH
NUT,UNION
810-1385943PC7 1/4 INCH
4730-01-189-4795POSSIBLE MATCH
TAILPIECE,UNION
810-1385943 PC3AND8(1/4IPS)
4730-01-189-4797POSSIBLE MATCH
TAILPIECE,UNION
810-1385943 PC-3 3/8 IN IPS

Frequently Asked Questions

What is NSN 4730-00-200-0700?

NSN 4730-00-200-0700 is a Union,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-00-200-0700?

10 possible matches (shared part number, not a government interchangeability claim): 4730-01-088-7326, 4730-01-088-7351, 4730-01-097-4724. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-00-200-0700?

Key specifications for 4730-00-200-0700: Nominal Pipe Size Accommodated: 1.250 INCHES ALL ENDS IN; Connection Style: SOCKET BRAZING RING (PIPE) ALL ENDS; Coupling Flange Shape: HEXAGON; Nominal Overall Length: 4.062 INCHES IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4730-00-200-0700 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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