PartsTable TECHNICAL DATA SHEET
NSN 4730-01-322-9871Government record, cited

Flange, Pipe4730-01-322-9871

NSN 4730-01-322-9871 · NIIN 013229871 · Part number 12342083
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 19207
Government record, cited
NSN 4730-01-322-9871 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-322-9871. Manufacturer of record part number: 12342083.
Also searched as  4730-01-322-9871 · 4730013229871 · NIIN 013229871 · 01-322-9871 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 19207 · 12342083
Nearby stock numbers  ·
Features
  • Flange,pipe — FSC 4730
  • Flange Diameter: 3.750 INCHES NOMINAL IN
  • Face Seating Surface Condition: GROUND
  • Flange Section Style: PLAIN FACE, SOCKET NECK
  • Style Designator: ROUND, ONE BOLT HOLE CIRCLE
  • Bolt Hole Diameter: 0.281 INCHES NOMINAL IN
  • Recess Diameter: 1.750 INCHES NOMINAL IN
  • Bolt Hole Quantity: 4
Identification
  • NSN: 4730-01-322-9871
  • NIIN: 013229871
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 12342083
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Flange,pipe, cataloged under National Stock Number 4730-01-322-9871, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-322-9871
Primary Part Number12342083
Item NameFlange,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Flange Diameter3.750 INCHES NOMINAL IN
Face Seating Surface ConditionGROUND
Flange Section StylePLAIN FACE, SOCKET NECK
Style DesignatorROUND, ONE BOLT HOLE CIRCLE
Bolt Hole Diameter0.281 INCHES NOMINAL IN
Recess Diameter1.750 INCHES NOMINAL IN
Bolt Hole Quantity4
Bolt Circle Diameter2.750 INCHES NOMINAL IN
MaterialSTEEL
Thickness0.164 INCHES NOMINAL IN
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
12342083 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12342083 Am General Llc (USA)
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 4730-01-322-9871?

NSN 4730-01-322-9871 is a Flange,pipe, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-322-9871?

NSN 4730-01-322-9871 has 2 manufacturer part numbers on file: 12342083 (U S Army Tank Automotive Command Amsta-Im-Mm), 12342083 (Am General Llc).

What are the specifications of 12342083?

Key specifications for 12342083: Flange Diameter: 3.750 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Flange Section Style: PLAIN FACE, SOCKET NECK; Style Designator: ROUND, ONE BOLT HOLE CIRCLE. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-322-9871 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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