PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

355-12Elbow,pipe to Tube

Lenz Inc Dba the Lenz Company · NSN 4730-00-677-2565 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-677-2565 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-677-2565. Primary manufacturer part number: 355-12.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Material Document and Classification: FED STD 66,COMP C1118 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN
  • Thread Series Designator: NPTF SECOND END
  • Surface Treatment Document and Classification: MIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
  • Thread Class: 2A FIRST END A
  • Surface Treatment Document and Classification: MIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-677-2565, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Lenz Inc Dba the Lenz Company. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-677-2565
Primary Part Number355-12
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLenz Inc Dba the Lenz Company
StatusACTIVE
Material Document and ClassificationFED STD 66,COMP C1118 FED STD SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Thread Series DesignatorNPTF SECOND END
Surface Treatment Document and ClassificationMIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
Thread Class2A FIRST END A
Surface Treatment Document and ClassificationMIL-C-16232,TY Z,CL 4C MIL SPEC SINGLE TREATMENT RESPONSE INSIDE
Nominal Thread Size1.125 INCHES FIRST END IN
Surface TreatmentPHOSPHATE INSIDE
Flow Angle45.0 DEGREES
Connection StyleGASKET SEAL, COMPRESSION (TUBE) FIRST END
Surface TreatmentPHOSPHATE OUTSIDE
Furnished Items and Quantity1 PREFORMED PACKING
Thread Series DesignatorUNF FIRST END
Leg Length1.062 INCHES NOMINAL FIRST END IN
Nominal Thread Size0.750 INCHES SECOND END IN
Leg Length1.219 INCHES NOMINAL SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
MaterialSTEEL OVERALL
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-237-4669 INTERCHANGEABLE
Inserter,screw Thread Insert
6210-01-099-39563551-2 INTERCHANGEABLE
Light Assembly,indicator
Safran Electronics & Defense, Avionics Usa, Llc
2990-01-219-159035512 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
355-12 PRIMARY Lenz Inc Dba the Lenz Company (USA)
1655822PC6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5120-00-237-4669INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
6210-01-099-3956INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
3551-2
2990-01-219-1590INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
35512

Frequently Asked Questions

What is NSN 4730-00-677-2565?

NSN 4730-00-677-2565 is a Elbow,pipe to Tube, manufactured by Lenz Inc Dba the Lenz Company, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-677-2565?

NSN 4730-00-677-2565 has 2 cross-referenced part numbers: 355-12 (Lenz Inc Dba the Lenz Company), 1655822PC6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 4730-00-677-2565?

There are 3 known substitutes for 4730-00-677-2565: 5120-00-237-4669, 6210-01-099-3956, 2990-01-219-1590. Verify interchangeability with system specifications before substitution.

What are the specifications of 355-12?

Key specifications for 355-12: Material Document and Classification: FED STD 66,COMP C1118 FED STD SINGLE MATERIAL RESPONSE OVERALL; Connection Type: THREADED EXTERNAL PIPE SECOND END; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN; Thread Series Designator: NPTF SECOND END. 20 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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