PartsTable
Technical Data Sheet
Download PDF

00-668 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

00-668: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.125 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.50 INCHES NOMINAL IN, fastener_length: 0.50 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-435-5215, 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
00-668
NSN: 5305-01-435-5215
NIINs: 014355215, 016791893
FSC: 5305 — Screws
CAGE: 53655 — AVOX SYSTEMS INC DBA AVOX SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.125 INCHES NOMINAL IN
thread_class2A A
thread_length0.50 INCHES NOMINAL IN
fastener_length0.50 INCHES NOMINAL IN
hardness_rating33.0 ROCKWELL C NOMINAL OVERALL
special_featuresTHREAD SIZE 10-32, HEAD WIDTH 5/16 INCH, FASTENER STRENGTH GRADE/CLASS GRADE 8, SCREW SIZE 0.190 INCH, DRIVE STYLE EXTERNAL HEX IN
thread_directionRIGHT-HAND
surface_treatmentCHROMATE ZINC OVERALL
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch32
NSN5305-01-435-5215
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 00-668 · 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
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
Ready to buy 00-668?
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 00-668?
00-668 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 00-668?
00-668 is cataloged in the U.S. Government catalog under NSN 5305-01-435-5215. 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 — 00-668

✓ 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.