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953505-4 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

953505-4: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, head_style: FLAT CHAMFER, head_height: 0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, thread_length: 0.323 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-403-6684, 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
953505-4
NSN: 5305-00-403-6684
FSC: 5305 — Screws
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
head_styleFLAT CHAMFER
head_height0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.134 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
thread_length0.323 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
fastener_length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
surface_treatmentPASSIVATE OVERALL
width_across_flats0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
material_document_and_classificationAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5305-00-403-6684
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 953505-4 · 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
•
WIDTH ACROSS FLATS: 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.323 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HEAD STYLE: FLAT CHAMFER
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
HEAD HEIGHT0.083 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
FASTENER LENGTH0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
THREAD LENGTH0.323 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLEFLAT CHAMFER
SURFACE TREATMENTPASSIVATE OVERALL
INTERNAL DRIVE STYLEHEXAGON
THREAD CLASS3A A
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 953505-4?
953505-4 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 953505-4?
953505-4 is cataloged in the U.S. Government catalog under NSN 5305-00-403-6684. 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.