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SS5013-08-02 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SS5013-08-02: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND EXTENDED WASHER, head_height: 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN, screw_material: STEEL COMP 4037 OR STEEL COMP 8630. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-310-9509, 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
SS5013-08-02
NSN: 5305-01-310-9509
FSC: 5305 — Screws
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
head_styleROUND EXTENDED WASHER
head_height0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.312 INCHES NOMINAL IN
thread_length0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
screw_materialSTEEL COMP 4037 OR STEEL COMP 8630
fastener_length0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
NSN5305-01-310-9509
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SS5013-08-02 · 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: 0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
•
FASTENER LENGTH: 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE
•
EXTENDED WASHER DIAMETER: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN
HEAD HEIGHT0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
FASTENER LENGTH0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE
EXTENDED WASHER DIAMETER0.375 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEROUND EXTENDED WASHER
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS5013-08-02?
SS5013-08-02 is a SCREW,MACHINE.
What is the NSN for SS5013-08-02?
SS5013-08-02 is cataloged in the U.S. Government catalog under NSN 5305-01-310-9509. 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.