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Technical Data Sheet
PartsTable / COMPONENT / 818 16
818 16 ✓ 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 CAVITY,RESONATOR,LASER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-391-8401, 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
818 16
NSN: 5305-00-391-8401
FSC: 5305
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
NSN5305-00-391-8401
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 818 16 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STAINLESS STEEL,3.562 IN. LG,OD THD 1.250 IN.-18 UNEF,0.688 IN. DIA BORE,HEX HEAD 0.500 IN. H AND 1.188 IN. W ACROSSFLATS IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTAINLESS STEEL,3.562 IN. LG,OD THD 1.250 IN.-18 UNEF,0.688 IN. DIA BORE,HEX HEAD 0.500 IN. H AND 1.188 IN. W ACROSSFLATS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
96965Interchangeable
interchangeable cross-reference
interchangeable
89335Interchangeable
interchangeable cross-reference
interchangeable
46686Interchangeable
interchangeable cross-reference
interchangeable
550 16Interchangeable
interchangeable cross-reference
interchangeable
3012 16Interchangeable
interchangeable cross-reference
interchangeable
818-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 818 16?
818 16 is a CAVITY,RESONATOR,LASER.
What parts can replace 818 16?
There are 11 known substitutes for 818 16: 96965, 89335, 46686 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 818 16?
818 16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-391-8401. 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