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950-0521 — PANEL,PATCHING,COMMUNICATION

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

950-0521: PANEL,PATCHING,COMMUNICATION.

The PANEL,PATCHING,COMMUNICATION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT FILLISTER, head_height: 0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN, spline_width: 0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-419-5669, 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
MRO→ MRO_GENERAL→ 950-0521
NSN: 5305-01-419-5669
NIINs: 014195669, 016199353
FSC: 5305 — Screws
CAGE: 89944 — ELBITAMERICA, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT FILLISTER
head_height0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
spline_width0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
thread_length0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
fastener_length0.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleSIX SPLINE
spline_major_diameter0.097 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
NSN5305-01-419-5669
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 950-0521 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SPLINE MINOR DIAMETER: 0.080 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.125 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SPLINE WIDTH: 0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPLINE MAJOR DIAMETER: 0.097 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.080 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
HEAD HEIGHT0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
FASTENER LENGTH0.125 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SPLINE WIDTH0.021 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
THREAD LENGTH0.045 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPLINE MAJOR DIAMETER0.097 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEFLAT FILLISTER
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 950-0521?
950-0521 is a PANEL,PATCHING,COMMUNICATION. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 950-0521?
950-0521 is cataloged in the U.S. Government catalog under NSN 5305-01-419-5669. 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.