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623-1775-003 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

623-1775-003: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 430 OVERALL, thread_class: 2A A, thread_length: 0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN, fastener_length: 4.246 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: PASSIVATE GRIP. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-059-8670, 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
623-1775-003
NSN: 5305-01-059-8670
FSC: 5305 — Screws
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 430 OVERALL
thread_class2A A
thread_length0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
fastener_length4.246 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE GRIP
internal_drive_styleCROSS RECESS TYPE II
nominal_thread_diameter0.164 INCHES IN
first_diameter_from_head0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
third_diameter_from_head0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-059-8670
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 623-1775-003 · 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
•
FASTENER LENGTH: 4.246 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP
•
THREAD LENGTH: 0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 3.622 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER: 3.700 INCHES MINIMUM AND 3.730 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH4.246 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY 2 FED SPEC SINGLE TREATMENT RESPONSE GRIP
THREAD LENGTH0.516 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 COND A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER3.622 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER3.700 INCHES MINIMUM AND 3.730 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
SECOND DIAMETER FROM HEAD0.159 INCHES MINIMUM AND 0.165 INCHES MAXIMUM IN
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 623-1775-003?
623-1775-003 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 623-1775-003?
623-1775-003 is cataloged in the U.S. Government catalog under NSN 5305-01-059-8670. 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.