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705-SS-20 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

705-SS-20: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: KNURLED NO. 2, head_height: 0.250 INCHES NOMINAL IN, point_style: CONE, point_length: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, thread_class: 2A A.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-474-3219, 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
705-SS-20
NSN: 5305-01-474-3219
FSC: 5305 — Screws
CAGE: 55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleKNURLED NO. 2
head_height0.250 INCHES NOMINAL IN
point_styleCONE
point_length0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.469 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
thread_length0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
point_diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
fastener_length0.844 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5305-01-474-3219
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 705-SS-20 · 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
•
POINT DIAMETER: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
POINT LENGTH: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.844 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMA-A-581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA-A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
POINT CHAMFER ANGLE: 55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
•
FIRST DIAMETER FROM HEAD: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
HEAD HEIGHT0.250 INCHES NOMINAL IN
POINT LENGTH0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
FASTENER LENGTH0.844 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
THREAD LENGTH0.235 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTMA-A-581 ASSN STD SINGLE MATERIAL RESPONSE OR ASTMA-A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
POINT CHAMFER ANGLE55.0 DEGREES MINIMUM AND 65.0 DEGREES MAXIMUM
FIRST DIAMETER FROM HEAD0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 2
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 1
SM-A-744408-59Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 705-SS-20?
705-SS-20 is a SCREW,EXTERNALLY RELIEVED BODY.
What parts can replace 705-SS-20?
There is 1 known substitute for 705-SS-20: SM-A-744408-59. Substitute compatibility should be verified for your specific system.
What is the NSN for 705-SS-20?
705-SS-20 is cataloged in the U.S. Government catalog under NSN 5305-01-474-3219. 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.