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211-SS-20 — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

211-SS-20: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: KNURLED NO. 4, head_height: 0.250 INCHES NOMINAL IN, thread_class: 3A A, head_diameter: 0.562 INCHES NOMINAL IN, fastener_length: 0.875 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-607-0569, 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
211-SS-20
NSN: 5305-01-607-0569
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. 4
head_height0.250 INCHES NOMINAL IN
thread_class3A A
head_diameter0.562 INCHES NOMINAL IN
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.175 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_accommodated_thickness0.375 INCHES NOMINAL IN
NSN5305-01-607-0569
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 211-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
•
HEAD HEIGHT: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.375 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.175 INCHES IN
•
HEAD STYLE: KNURLED NO. 4
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD CLASS: 3A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES NOMINAL IN
FASTENER LENGTH0.875 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.375 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.175 INCHES IN
HEAD STYLEKNURLED NO. 4
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLESLOT
THREAD CLASS3A A
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING OVERALL
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211-SS-20?
211-SS-20 is a SCREW ASSEMBLY,PANEL.
What is the NSN for 211-SS-20?
211-SS-20 is cataloged in the U.S. Government catalog under NSN 5305-01-607-0569. 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.