PartsTable
Technical Data Sheet

S1605-9/16UNF-SS-CB — NUT,PLAIN,CASTELLATED,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S1605-9/16UNF-SS-CB: NUT,PLAIN,CASTELLATED,HEXAGON.

The NUT,PLAIN,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: CASTELLATED, HEXAGON, nut_length: 101.00 MILLIMETERS NOMINAL MM, thread_series: UNF, nominal_thread_size: 0.56 INCHES IN, part_name_assigned_by_controlling_agency: BOLT HEX HEAD,IMPERIAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-665-6344, 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
S1605-9/16UNF-SS-CB
NSN: 5310-01-665-6344
FSC: 5310 — Nuts and Washers
CAGE: U7750 — ISTEC SERVICES LIMITED (GBR)
SPECIFICATIONS
nut_styleCASTELLATED, HEXAGON
nut_length101.00 MILLIMETERS NOMINAL MM
thread_seriesUNF
nominal_thread_size0.56 INCHES IN
part_name_assigned_by_controlling_agencyBOLT HEX HEAD,IMPERIAL
NSN5310-01-665-6344
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S1605-9/16UNF-SS-CB · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NUT LENGTH: 101.00 MILLIMETERS NOMINAL MM
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.56 INCHES IN
•
NUT STYLE: CASTELLATED, HEXAGON
TECHNICAL CHARACTERISTICS
NUT LENGTH101.00 MILLIMETERS NOMINAL MM
THREAD SERIESUNF
NOMINAL THREAD SIZE0.56 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT HEX HEAD,IMPERIAL
NUT STYLECASTELLATED, HEXAGON
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1605-9/16UNF-SS-CB?
S1605-9/16UNF-SS-CB is a NUT,PLAIN,CASTELLATED,HEXAGON.
What is the NSN for S1605-9/16UNF-SS-CB?
S1605-9/16UNF-SS-CB is cataloged in the U.S. Government catalog under NSN 5310-01-665-6344. 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.