PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R49SA1Ferrule,grooved Clamp Coupling

The Boeing Company Div Defense · NSN 5340-00-436-1888 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-436-1888 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-436-1888. Primary manufacturer part number: R49SA1.
Features
  • Ferrule,grooved Clamp Coupling — FSC 5340
  • Flange Outside Diameter: 0.562 INCHES NOMINAL IN
  • Wall Thickness: 0.171 INCHES NOMINAL IN
  • Surface Treatment: NICKEL OVERALL
  • Material Document and Classification: QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 360 OVERALL
  • Surface Treatment Document and Classification: QQ-N-290, CLASS 1, TYPE 5 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Ferrule Inside Diameter: 0.220 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Ferrule,grooved Clamp Coupling, cataloged under National Stock Number 5340-00-436-1888, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-436-1888
Primary Part NumberR49SA1
Item NameFerrule,grooved Clamp Coupling
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Flange Outside Diameter0.562 INCHES NOMINAL IN
Wall Thickness0.171 INCHES NOMINAL IN
Surface TreatmentNICKEL OVERALL
Material Document and ClassificationQQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 360 OVERALL
Surface Treatment Document and ClassificationQQ-N-290, CLASS 1, TYPE 5 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Ferrule Inside Diameter0.220 INCHES NOMINAL IN
Cross-Sectional Shape StyleFLANGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
4820-00-036-1556N12856 INTERCHANGEABLE
Seat,spring
Leslie Controls, Inc. Dba Leslie Controls Inc
5307-00-207-803012856 INTERCHANGEABLE
Stud,plain
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5940-00-221-5109 INTERCHANGEABLE
Terminal Board
5950-00-426-607917019 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
5310-00-543-4452 INTERCHANGEABLE
Nut,self-Locking,hexagon
1560-01-198-786512856 INTERCHANGEABLE
Element,outer,lube
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
8120-01-597-412912856 INTERCHANGEABLE
Cylinder,compressed Gas,nitrogen
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
ES5621-1 Interconnection Products Inc (USA)
610624 Roller Bearing Co of America, Inc Div Pic Design (USA)
R49SA1 Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA)
12856 Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect (USA)
R49SA1 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
4820-00-036-1556INTERCHANGEABLE
SEAT,SPRING
N12856
5307-00-207-8030INTERCHANGEABLE
STUD,PLAIN
12856
5940-00-221-5109INTERCHANGEABLE
TERMINAL BOARD
5950-00-426-6079INTERCHANGEABLE
TRANSFORMER,POWER
17019
5310-00-543-4452INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
1560-01-198-7865INTERCHANGEABLE
ELEMENT,OUTER,LUBE
12856
8120-01-597-4129INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,NITROGEN
12856

Frequently Asked Questions

What is NSN 5340-00-436-1888?

NSN 5340-00-436-1888 is a Ferrule,grooved Clamp Coupling, manufactured by The Boeing Company Div Defense, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-436-1888?

NSN 5340-00-436-1888 has 5 cross-referenced part numbers: ES5621-1 (Interconnection Products Inc), 610624 (Roller Bearing Co of America, Inc Div Pic Design), R49SA1 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), 12856 (Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect), R49SA1 (The Boeing Company Div Defense).

What NSN replaces 5340-00-436-1888?

There are 7 known substitutes for 5340-00-436-1888: 4820-00-036-1556, 5307-00-207-8030, 5940-00-221-5109 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R49SA1?

Key specifications for R49SA1: Flange Outside Diameter: 0.562 INCHES NOMINAL IN; Wall Thickness: 0.171 INCHES NOMINAL IN; Surface Treatment: NICKEL OVERALL; Material Document and Classification: QQ-B-626,ALLOY 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com