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211052621 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

211052621: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: NICKEL AND COPPER OVERALL, thread_class: 3A A, fastener_length: 0.750 INCHES MINIMUM IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.125 INCHES IN, thread_quantity_per_inch: 40. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-474-8841, 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
211052621
NSN: 5305-01-474-8841
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL AND COPPER OVERALL
thread_class3A A
fastener_length0.750 INCHES MINIMUM IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.125 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNRC
material_document_and_classificationFF-S-86,TYPEVI FED SPEC 1ST MATERIAL RESPONSE OVERALL
NSN5305-01-474-8841
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 211052621 · 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
•
FASTENER LENGTH: 0.750 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: FF-S-86,TYPEVI FED SPEC 1ST MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.125 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 40
•
MATERIAL: NICKEL AND COPPER OVERALL
•
THREAD SERIES DESIGNATOR: UNRC
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.750 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONFF-S-86,TYPEVI FED SPEC 1ST MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.125 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
THREAD QUANTITY PER INCH40
MATERIALNICKEL AND COPPER OVERALL
THREAD SERIES DESIGNATORUNRC
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 211052621?
211052621 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 211052621?
211052621 is cataloged in the U.S. Government catalog under NSN 5305-01-474-8841. 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.