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A50451 — TUBE ASSEMBLY,METAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A50451: TUBE ASSEMBLY,METAL.

The TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 30321 TUBING, design_form: STRAIGHT, overall_length: 23.910 INCHES NOMINAL IN, wall_thickness: 0.035 INCHES NOMINAL IN, end_connection_style: DOUBLE COMPRESSION SINGLE END, tube_outside_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-031-0816, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A50451
NSN: 5355-00-031-0816
NIINs: 000310816, 013018342
FSC: 5355 — Knobs and Pointers
CAGE: 96599 — AXIA INCORPORATED (DEL) DBA FISCHBEIN CO (USA)
SPECIFICATIONS
materialSTEEL COMP 30321 TUBING
design_formSTRAIGHT
overall_length23.910 INCHES NOMINAL IN
wall_thickness0.035 INCHES NOMINAL IN
end_connection_styleDOUBLE COMPRESSION SINGLE END
tube_outside_diameter0.250 INCHES NOMINAL IN
end_item_identificationF-101 AIRCRAFT ENGINE
material_document_and_classificationAMS 5557 ASSN STD SINGLE MATERIAL RESPONSE TUBING
NSN5355-00-031-0816
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TUBE ASSEMBLY,METAL TITLE COMPONENT PN A50451 MFR TUBE ASSEMBLY,METAL
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.391 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.812 INCHES NOMINAL IN
•
SKIRT OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLUTED FOILS
•
SETSCREW HOLE QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.164 INCHES SCREW HOLE IN
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.391 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.812 INCHES NOMINAL IN
SKIRT OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
STYLE DESIGNATORFLUTED FOILS
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.164 INCHES SCREW HOLE IN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONSMOOTH
SKIRT DESIGNDETACHABLE
SUBSTITUTES & CROSS-REFERENCES 4
637Reference document
Same NSN cross-reference
Reference document — Secondary reference
4104PReference document
Same NSN cross-reference
Reference document — Secondary reference
P212A420Reference document
Same NSN cross-reference
Reference document — Secondary reference
P320A423-2Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A50451?
A50451 is a TUBE ASSEMBLY,METAL.
What parts can replace A50451?
There are 4 known substitutes for A50451: 637, 4104P, P212A420 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A50451?
A50451 is cataloged in the U.S. Government catalog under NSN 5355-00-031-0816. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.