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Worldwide distributor of NSN parts and consumables located in the USA.

Boss Reducer

Model / MPN: AS5172-0410L | NSN: 4730-00-895-3498
ITAR Registered seal

A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes bushing (as modified).

Product Details
NATO Stock Number
4730-00-895-3498
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a 2nd end
Thread Class
3b 1st end
Reducer Type
Concentric
Maximum Operating Temp
-65.0 degrees fahrenheit 2nd response
Maximum Operating Temp
225.0 degrees fahrenheit 1st response
Connection Style
External seat for gasket seal (boss) 2nd end
Connection Style
Gasket seal (boss) 1st end
Connection Type
Threaded external boss 2nd end
Connection Type
Threaded internal boss 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 1st end
Thread Size
0.875 inches 2nd end
Nominallength
0.844 inches
Material
Steel comp 1137 or steel comp 1141 or steel comp 4130
Material Specification
66 federal standard single material response
Media For Which Designed
Air 3rd response
Media For Which Designed
Hydraulic fluid 1st response
Media For Which Designed
Oxygen, gaseous 2nd response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 1, class 2 federal specification single treatment response
Thread Series Designator
Unf all ends
AS5172 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7M417T7899 Reducer, Boss 106 EA 09/22/2017
SPE7M319T3553 Reducer, Boss 88 EA 12/24/2018
SPE7M319T3849 Reducer, Boss 88 EA 01/07/2019

Pricing and Availability

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AS5172-0410L Cross Reference
  • AS4875
  • AS5172
  • MS24397-31
  • AN893-31