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290-865 — ARM,ROCKER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

290-865: ARM,ROCKER.

The ARM,ROCKER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, surface_treatment: CADMIUM OVERALL, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECTNAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-072-9059, 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
290-865
NSN: 5310-01-072-9059
NIINs: 010729059, 011812706
FSC: 5310 — Nuts and Washers
CAGE: 54817 — AUTEK SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
surface_treatmentCADMIUM OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECTNAVY SPECIAL PROJECT
NSN5310-01-072-9059
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 290-865 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECTNAVY SPECIAL PROJECT
MATERIALSTEEL OVERALL
HOLE DIAMETER0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 290-865?
290-865 is a ARM,ROCKER.
What is the NSN for 290-865?
290-865 is cataloged in the U.S. Government catalog under NSN 5310-01-072-9059. 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.