Tube Elbow

NSN: 4730-01-312-8241 | Model: AN837-8K

A fitting that forms an angle of less than 180 degrees (3.141 radians) from a straight flow. Both connecting ends have machine threads (straight threads other than pipe or hose series) designed to accommodate a tube or is unthreaded and designed to accommodate a tube. It may have side or heel inle (s) . See also elbow, pipe and connector, multiple, fluid pressure line.

NSN Properties and Flags

NATO Stock Number

4730-01-312-8241

DEMIL

Thread Class

3a all ends

Connection Style

Flared (tube) all ends

Leg Length

1.938 inches 1st end

Connection Type

Threaded external tube all ends

Thread Size

0.750 inches all ends

Seat Angle

37.0 degrees all ends

Flow Angle

45.0 degrees

Outside Diameter Tube Accommodated

0.500 inches all ends

Material

Steel comp 316

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response inside

Thread Series Designator

Unjf 1st end bulkhead

Specification Data

88044-an837 government standard

Pricing and Availability

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NSN 4730-01-312-8241 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AN837-8K
AN837-8K

Cage Codes:

Aeronautical Standards Group (CAGE 88044)
Navair and Navsea Managed (CAGE 10001)

Schedule B & Trade:

Schedule B: 7307929000 (NAICS 332919)

Threaded elbows and bends of iron or steel (other than cast iron or stainless steel) for pipes and tubes
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.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4730-01-312-8241 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
United Kingdom
What is the NIIN of NSN 4730-01-312-8241?
013128241 or 01-312-8241
Does NSN 4730-01-312-8241 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-01-312-8241?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 22, 1989