PartsTable TECHNICAL DATA SHEET
NSN 4730-00-673-8238Government record, cited

Clamp, Repair, Pipe4730-00-673-8238

NSN 4730-00-673-8238 · NIIN 006738238 · Part number S1630-80953-3
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 78286
Government record, cited
NSN 4730-00-673-8238 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-673-8238. Manufacturer of record part number: S1630-80953-3.
Also searched as  4730-00-673-8238 · 4730006738238 · NIIN 006738238 · 00-673-8238 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 78286 · S1630-80953-3 · S1630-80953
Nearby stock numbers  ·
Features
  • Clamp,repair,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 5.750 INCHES IN
  • Clamp Overall Length: 2.750 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Construction Type: ONE PIECE
  • 1 manufacturer part number on file
  • Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Identification
  • NSN: 4730-00-673-8238
  • NIIN: 006738238
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: S1630-80953-3
  • Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
General Description

The Clamp,repair,pipe, cataloged under National Stock Number 4730-00-673-8238, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-673-8238
Primary Part NumberS1630-80953-3
Item NameClamp,repair,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerSikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
StatusACTIVE
Nominal Pipe Size Accommodated5.750 INCHES IN
Clamp Overall Length2.750 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Construction TypeONE PIECE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
S1630-80953-3 PRIMARY Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Reference documents
ReferenceMeaning
S1630-80953 D/9 Drawing number reference only
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-00-673-8238?

NSN 4730-00-673-8238 is a Clamp,repair,pipe, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-673-8238?

NSN 4730-00-673-8238 has 1 manufacturer part number on file: S1630-80953-3 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What are the specifications of S1630-80953-3?

Key specifications for S1630-80953-3: Nominal Pipe Size Accommodated: 5.750 INCHES IN; Clamp Overall Length: 2.750 INCHES NOMINAL IN; Special Features: 3/32 IN,THK,SECURING BOLTS AND NUTS NOT SUPPLIED IN; Material: STEEL OVERALL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4730-00-673-8238 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.
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