PartsTable TECHNICAL DATA SHEET
NSN 4730-01-121-9889Government record, cited

Elbow, Flange to Pipe4730-01-121-9889

NSN 4730-01-121-9889 · NIIN 011219889 · Part number 12256661-1
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 4730-01-121-9889 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-121-9889. Manufacturer of record part number: 12256661-1.
Also searched as  4730-01-121-9889 · 4730011219889 · NIIN 011219889 · 01-121-9889 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 19207 · 12256661-1
Nearby stock numbers  ·
Features
  • Elbow,flange to Pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN
  • Surface Treatment Document and Classification: ASTMB633,TYPE2,CLASSFE/ZN5 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Connection Style: SOCKET BRAZING RING (PIPE) FIRST END
  • Connection Type: THREADED INTERNAL PIPE FIRST END
  • Leg Length: 2.40 INCHES MINIMUM AND 2.46 INCHES MAXIMUM FIRST END IN
  • Leg Length: 3.12 INCHES MINIMUM AND 3.18 INCHES MAXIMUM SECOND END IN
  • Surface Treatment: ZINC OVERALL
Identification
  • NSN: 4730-01-121-9889
  • NIIN: 011219889
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 12256661-1
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Elbow,flange to Pipe, cataloged under National Stock Number 4730-01-121-9889, 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 8 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-121-9889
Primary Part Number12256661-1
Item NameElbow,flange to Pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Nominal Pipe Size Accommodated1.000 INCHES FIRST END IN
Surface Treatment Document and ClassificationASTMB633,TYPE2,CLASSFE/ZN5 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Connection StyleSOCKET BRAZING RING (PIPE) FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Leg Length2.40 INCHES MINIMUM AND 2.46 INCHES MAXIMUM FIRST END IN
Leg Length3.12 INCHES MINIMUM AND 3.18 INCHES MAXIMUM SECOND END IN
Surface TreatmentZINC OVERALL
MaterialSTEEL COMP 1010 OR STEEL COMP 1030 OVERALL
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
12256661-1 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (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 4730-01-121-9889?

NSN 4730-01-121-9889 is a Elbow,flange to 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 4730-01-121-9889?

NSN 4730-01-121-9889 has 1 manufacturer part number on file: 12256661-1 (U S Army Tank Automotive Command Amsta-Im-Mm).

What are the specifications of 12256661-1?

Key specifications for 12256661-1: Nominal Pipe Size Accommodated: 1.000 INCHES FIRST END IN; Surface Treatment Document and Classification: ASTMB633,TYPE2,CLASSFE/ZN5 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SOCKET BRAZING RING (PIPE) FIRST END; Connection Type: THREADED INTERNAL PIPE FIRST END. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-121-9889 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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