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505531 — DISK,VALVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

505531: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: F-22 AIRCRAFT, part_name_assigned_by_controlling_agency: PISTON,VALVE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-050-5531, 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
505531
NSN: 5315-00-050-5531
NIINs: 000505531, 000749746, 016646581
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
end_item_identificationF-22 AIRCRAFT
part_name_assigned_by_controlling_agencyPISTON,VALVE
NSN5315-00-050-5531
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 505531 · 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
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
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FIRST END STYLE: CHAMFERED
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-00779 GR3 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
FIRST END TAPER ANGLE: 25.0 DEGREES NOMINAL
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PIN OVERALL DIAMETER: 0.2495 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.988 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
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SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
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MATERIAL: STEEL COMP W108 OR STEEL COMP W109 OR STEEL COMP W110 OR STEEL COMP W112 OR STEEL COMP W209 OR STEEL COMP W210 OR STEEL COMP W310 OVERALL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-00779 GR3 FED SPEC ALL MATERIAL RESPONSES OVERALL
FIRST END TAPER ANGLE25.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.2495 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.988 INCHES MINIMUM AND 2.012 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL COMP W108 OR STEEL COMP W109 OR STEEL COMP W110 OR STEEL COMP W112 OR STEEL COMP W209 OR STEEL COMP W210 OR STEEL COMP W310 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 505531?
505531 is a DISK,VALVE.
What is the NSN for 505531?
505531 is cataloged in the U.S. Government catalog under NSN 5315-00-050-5531. This indicates validated use in U.S. government and defense supply chains.
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