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135163-4 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

135163-4: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include thread_class: 2A A, thread_length: 0.834 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN, fastener_length: 1.594 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND, surface_treatment: PASSIVATE OVERALL, nominal_thread_diameter: 0.112 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-446-9424, 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
135163-4
NSN: 5305-00-446-9424
FSC: 5305 — Screws
CAGE: 05257 — GENERAL DYNAMICS LAND SYSTEMS - CANADACORPORATION DIV GENERAL DYNAMICS MISSION SYSTEMS (CAN)
SPECIFICATIONS
thread_class2A A
thread_length0.834 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
fastener_length1.594 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_diameter0.112 INCHES IN
first_diameter_from_head0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
surface_treatment_document_and_classification951034,FSCM 05257 MFR REF SINGLE TREATMENT RESPONSE OVERALL
distance_from_largest_bearing_surface_of_head_to_end_of_first_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
NSN5305-00-446-9424
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 135163-4 · 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: 1.594 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 951034,FSCM 05257 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.834 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
•
FIRST DIAMETER FROM HEAD: 0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.594 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION951034,FSCM 05257 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.834 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
FIRST DIAMETER FROM HEAD0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A A
THREAD QUANTITY PER INCH40
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 135163-4?
135163-4 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for 135163-4?
135163-4 is cataloged in the U.S. Government catalog under NSN 5305-00-446-9424. 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.