PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 530-550
530-550 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-183-3192, 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
530-550
NSN: 5305-01-183-3192
FSC: 5305
CAGE: 58366 — KIRBY MORGAN DIVE SYSTEMS INC (USA)
SPECIFICATIONS
Part Number530-550
NSN5305-01-183-3192
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 530-550 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
8021324Interchangeable
interchangeable cross-reference
interchangeable
18-74Interchangeable
interchangeable cross-reference
interchangeable
L1874TInterchangeable
interchangeable cross-reference
interchangeable
T-146Interchangeable
interchangeable cross-reference
interchangeable
S202Interchangeable
interchangeable cross-reference
interchangeable
530550Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 530-550?
530-550 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 530-550?
There are 6 known substitutes for 530-550: 8021324, 18-74, L1874T and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 530-550?
530-550 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-183-3192. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026