PartsTable
Technical Data Sheet
Download PDF

1621204 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1621204: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include screw_material: STEEL COMP 303, nominal_thread_diameter: 0.562 INCHES IN, thread_quantity_per_inch: 18-2, thread_series_designator: UNF, screw_material_document_and_classification: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-332-3516, 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
1621204
NSN: 5305-01-332-3516
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
screw_materialSTEEL COMP 303
nominal_thread_diameter0.562 INCHES IN
thread_quantity_per_inch18-2
thread_series_designatorUNF
screw_material_document_and_classificationQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
NSN5305-01-332-3516
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1621204 · 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
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
SCREW MATERIAL: STEEL COMP 303
•
THREAD QUANTITY PER INCH: 18-2
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
NOMINAL THREAD DIAMETER0.562 INCHES IN
SCREW MATERIALSTEEL COMP 303
THREAD QUANTITY PER INCH18-2
THREAD SERIES DESIGNATORUNF
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
No demilitarization required
Ready to buy 1621204?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1621204?
1621204 is a SCREW,MACHINE.
What is the NSN for 1621204?
1621204 is cataloged in the U.S. Government catalog under NSN 5305-01-332-3516. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1621204

✓ 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.