NSN 4730-00-277-2458 NIIN — Boss Elbow

National Stock number : 4730-00-277-2458

Boss Elbow


Available Quantity 3,052
Available Conditions NE NS SV OH AR
Classification Hose, Pipe, Tube, Lubrication and Railing Fittings - FSC 4730
Stock Check Date 02/19/2026
Part-Number.info Quality System
  •   ISO 9001:2015 + AS9120B Certifed
  •   Audited supply chain
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   HAZMAT Certified
  •   ITAR and DDTC Registered
AS9120 Certified Supplier

Product Properties


Description

Boss Elbow

Thread Class

3b all ends

Maximum Operating Temp

225.0 deg fahrenheit 1st response

End Item Identification

hawk missile MIM-23 and sikorsky cargo transport helicoper CH-54A, CH-54B

Connection Style

gasket seal (boss) all ends

Leg Length

1.000in. 2nd end

Connection Type

threaded internal boss all ends

Nominal Thread Size

0.750in. all ends ⁓3/4"

Flow Angle

90.0 degrees

Material

aluminum alloy 2014 or aluminum alloy 2024

Material Document And Classification

QQ-A-225/4, T6 fed spec 1st material response or QQ-A-225/6, T6 fed spec 2nd material response

Media For Which Designed

oxygen, gaseous 2nd response

Surface Treatment

anodize

Surface Treatment Document And Classification

MIL-A-8625, ty 2, cl 2 mil spec single treatment response

Thread Series Designator

unjf all ends

Pricing and Availability Quote

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National Stock Number
4730-00-277-2458
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