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Flange To Boss Straight Adapter

NSN: 4730-00-083-5908 | Model: 5257-5

An adapter having a flange connection on one end designed to connect with another flange connection or a compression type mounting pad. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a flange or flange fitting to boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like.

NSN Properties and Flags
NATO Stock Number
4730-00-083-5908
DEMIL
NO
Thread Class
3a 2nd end
Bolt Hole Quantity
2 1st end
Width
0.875 inches 1st end
Length
1.750 inches 1st end
Connection Type
Threaded external boss 2nd end
Thread Size
0.438 inches 2nd end
Union Joint Location
Second end
Thickness
0.187 inches 1st end
Bolt Hole Diameter
0.193 inches 1st end
Bolt Circle Diameter
1.250 inches 1st end
Material
Steel
Surface Treatment
Cadmium outside
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response outside
Thread Series Designator
Unf 2nd end

Pricing and Availability

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NSN 4730-00-083-5908 Datasheet

Supply Class (FSC):
Railing Fittings Lubrication Tube Pipe Hose
Cross Reference:
  • 5257-5
Cage Codes:
  • Goodrich Aerospace Canada Ltd (CAGE 02121)
Schedule B & Trade:
  • Schedule B: 7307912000 (NAICS 332919)

    Flanges of iron or nonalloy steel

  • SITC: 67959

    Iron and steel tube and pipe fittings, n.E.S.

  • End Use: 12110

    Iron and steel products, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    052190 - Pipe, tubing, or pipe or tubing fitti

  • WCC:

    576 - Metal and metal products, nos, (less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4730-00-083-5908 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Malaysia
What is the NIIN of NSN 4730-00-083-5908?
000835908 or 00-083-5908
Does NSN 4730-00-083-5908 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-083-5908?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963