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Technical Data Sheet
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120-220-3P7 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

120-220-3P7: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND EXTENDED WASHER, head_height: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.375 INCHES NOMINAL IN, thread_length: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, screw_material: STEEL COMP 4340. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-464-9562, 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
120-220-3P7
NSN: 5305-01-464-9562
FSC: 5305 — Screws
CAGE: 97499 — BELL TEXTRON INC (USA)
SPECIFICATIONS
head_styleROUND EXTENDED WASHER
head_height0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
screw_materialSTEEL COMP 4340
fastener_length0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE II
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM
extended_washer_diameter0.437 INCHES NOMINAL IN
NSN5305-01-464-9562
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 120-220-3P7 · 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
•
EXTENDED WASHER THICKNESS: 0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE
•
EXTENDED WASHER DIAMETER: 0.437 INCHES NOMINAL IN
•
THREAD LENGTH: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
HEAD HEIGHT0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE
EXTENDED WASHER DIAMETER0.437 INCHES NOMINAL IN
THREAD LENGTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 120-220-3P7?
120-220-3P7 is a SCREW,MACHINE.
What is the NSN for 120-220-3P7?
120-220-3P7 is cataloged in the U.S. Government catalog under NSN 5305-01-464-9562. This indicates validated use in U.S. government and defense supply chains.
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