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Tube Tee

NSN: 4730-00-448-9505 | Model: MS21912-5

A fitting having three connections with the branch connection fixed at 90 degrees (1.5705 radians) to the run. The connections have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or are unthreaded and designed to accommodate a tube. It may have side inle (s) . It is used as a junction at the intersection of a tube or tube fitting.

NSN Properties and Flags
NATO Stock Number
4730-00-448-9505
DEMIL
NO
Thread Class
3a 1st end
Connection Style
Flareless (tube) 2nd end
Leg Length
1.531 inches 1st end and 1.578 inches 1st end
Connection Type
Threaded external tube 3rd end
Thread Size
0.500 inches 3rd end
Seat Angle
12.0 degrees 3rd end
Outside Diameter Tube Accommodated
0.312 inches 3rd end
Material
Steel comp 1137 or steel comp 1141 and steel comp 4130 and steel comp 4140
Material Specification
Qq-s-637 federal specification 1st material response or qq-s-637 federal specification 2nd material response and mil-s-6758 military specification 3rd material response and mil-s-5626 military specification 4th material response
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 4730-00-448-9505 Datasheet

Supply Class (FSC):
Railing Fittings Lubrication Tube Pipe Hose
Cross Reference:
  • MS21912-5
Cage Codes:
  • Military Standards (CAGE 96906)
Schedule B & Trade:
  • Schedule B: 7307994000 (NAICS 332919)

    Other fittings nesoi of alloy steel not stainless

  • 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

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

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

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4730-00-448-9505 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea, and Portugal
What is the NIIN of NSN 4730-00-448-9505?
004489505 or 00-448-9505
Does NSN 4730-00-448-9505 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-448-9505?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 13, 1970