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S413837 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

S413837: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, thread_length: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, fastener_length: 0.771 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-403-2832, 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
S413837
NSN: 5305-00-403-2832
FSC: 5305 — Screws
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
thread_length0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
fastener_length0.771 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
special_featuresTHIRD DIAMETER FROM HEAD IS THE THREADED PORTION
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
first_diameter_from_head0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
NSN5305-00-403-2832
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S413837 · 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
•
FOURTH DIAMETER FROM HEAD: 0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.771 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-S-633,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 0.218 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FOURTH DIAMETER FROM HEAD0.073 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
HEAD HEIGHT0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
FASTENER LENGTH0.771 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-S-633,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.115 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.218 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER0.468 INCHES NOMINAL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S413837?
S413837 is a SCREW,EXTERNALLY RELIEVED BODY.
What is the NSN for S413837?
S413837 is cataloged in the U.S. Government catalog under NSN 5305-00-403-2832. 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.