PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1075Elbow,pipe to Tube

Cummins Inc. · NSN 4730-00-428-5631 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-428-5631 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-428-5631. Primary manufacturer part number: S1075.
Features
  • Elbow,pipe to Tube — FSC 4730
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Thread Quantity Per Inch: 18 FIRST END
  • Seat Nominal Radius: 0.062 INCHES FIRST END IN
  • Flow Angle: 90.0 DEGREES
  • Nominal Pipe Size Accommodated: 0.750 INCHES SECOND END IN
  • Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN
  • Thread Class: 2A FIRST END A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 377 Overall construction
General Description

The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-428-5631, 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 Cummins Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-428-5631
Primary Part NumberS1075
Item NameElbow,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Quantity Per Inch18 FIRST END
Seat Nominal Radius0.062 INCHES FIRST END IN
Flow Angle90.0 DEGREES
Nominal Pipe Size Accommodated0.750 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated0.750 INCHES FIRST END IN
Thread Class2A FIRST END A
Nominal Thread Size0.125 INCHES FIRST END IN
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorNPTF SECOND END
Nominal Thread Size0.750 INCHES SECOND END IN
Connection StylePLAIN (PIPE) SECOND END
MaterialCOPPER ALLOY 377 OVERALL
Thread Series DesignatorUNEF FIRST END
Connection StyleCOMPRESSION (TUBE) FIRST END
Leg Length1.250 INCHES NOMINAL FIRST END IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Leg Length1.469 INCHES NOMINAL SECOND END IN
Furnished Items and Quantity1 COUPLING SLEEVE AND 1 SHORT COUPLING NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5995-00-351-7990SCC69863 INTERCHANGEABLE
Wiring Harness,branched
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2940-00-384-084951075 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5961-00-401-0793 INTERCHANGEABLE
Semiconductor Device,diode
3120-00-600-66355107-5 INTERCHANGEABLE
Bushing,sleeve
Goodrich Aerospace Canada Ltd
5310-00-639-8075 INTERCHANGEABLE
Nut,plain,blind Rivet
7510-01-249-734250-053 INTERCHANGEABLE
Ribbon,inking
Nec Corporation of America Dba N E C Home Electronics
6625-01-375-620651075 INTERCHANGEABLE
Detector,radio Frequency
Boonton Electronics Corporation Div Boonton Electronics
3950-01-497-809751075 INTERCHANGEABLE
Parts Kit,hoist
Allied Systems Company Dba Allied Systems Co
5310-01-545-924451075 INTERCHANGEABLE
Nut,aircraft,materi
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
69-FL-12X12 Imperial (USA)
4730004285631 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
69FL3-4 Imperial (USA)
4730004285631 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
S1075 PRIMARY Cummins Inc. (USA)
5-1075 Cummins Inc. (USA)
Related Parts
5995-00-351-7990INTERCHANGEABLE
WIRING HARNESS,BRANCHED
SCC69863
2940-00-384-0849INTERCHANGEABLE
FILTER ELEMENT,FLUID
51075
5961-00-401-0793INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3120-00-600-6635INTERCHANGEABLE
BUSHING,SLEEVE
5107-5
5310-00-639-8075INTERCHANGEABLE
NUT,PLAIN,BLIND RIVET
7510-01-249-7342INTERCHANGEABLE
RIBBON,INKING
50-053
6625-01-375-6206INTERCHANGEABLE
DETECTOR,RADIO FREQUENCY
51075
3950-01-497-8097INTERCHANGEABLE
PARTS KIT,HOIST
51075
5310-01-545-9244INTERCHANGEABLE
NUT,AIRCRAFT,MATERI
51075

Frequently Asked Questions

What is NSN 4730-00-428-5631?

NSN 4730-00-428-5631 is a Elbow,pipe to Tube, manufactured by Cummins Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-428-5631?

NSN 4730-00-428-5631 has 6 cross-referenced part numbers: 69-FL-12X12 (Imperial), 4730004285631 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 69FL3-4 (Imperial), 4730004285631 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), S1075 (Cummins Inc.) and 1 more.

What NSN replaces 4730-00-428-5631?

There are 9 known substitutes for 4730-00-428-5631: 5995-00-351-7990, 2940-00-384-0849, 5961-00-401-0793 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S1075?

Key specifications for S1075: Connection Type: THREADED EXTERNAL PIPE SECOND END; Thread Quantity Per Inch: 18 FIRST END; Seat Nominal Radius: 0.062 INCHES FIRST END IN; Flow Angle: 90.0 DEGREES. 19 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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