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S913B — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S913B: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1015 OVERALL, nut_style: ROUND, nut_diameter: 1.625 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.438 INCHES NOMINAL IN, thread_series: UNS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-616-6898, 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
S913B
NSN: 5310-00-616-6898
FSC: 5310 — Nuts and Washers
CAGE: 59180 — CIRCOR PUMPS NORTH AMERICA LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OVERALL
nut_styleROUND
nut_diameter1.625 INCHES NOMINAL IN
thread_class2B
nut_thickness0.438 INCHES NOMINAL IN
thread_seriesUNS
thread_directionRIGHT-HAND
nominal_thread_size0.688 INCHES IN
counterbore_diameter1.125 INCHES NOMINAL NUT IN
drilled_hole_diameter0.250 INCHES NOMINAL IN
nut_counterbore_depth0.031 INCHES NOMINAL NUT IN
hole_type_and_quantity2 DRILLED AND 1 TAPPED
NSN5310-00-616-6898
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S913B · 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
•
HOLE THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNS
•
HOLE CONFIGURATION STYLE: CONFIGURATION J
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16782 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
NUT COUNTERBORE DEPTH: 0.031 INCHES NOMINAL NUT IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.688 INCHES IN
•
NUT DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HOLE THREAD QUANTITY PER INCH20
THREAD SERIESUNS
HOLE CONFIGURATION STYLECONFIGURATION J
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16782 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NUT COUNTERBORE DEPTH0.031 INCHES NOMINAL NUT IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.688 INCHES IN
NUT DIAMETER1.625 INCHES NOMINAL IN
COUNTERBORE DIAMETER1.125 INCHES NOMINAL NUT IN
NUT THICKNESS0.438 INCHES NOMINAL IN
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 1
S913B9219Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S913B?
S913B is a NUT,PLAIN,ROUND.
What parts can replace S913B?
There is 1 known substitute for S913B: S913B9219. Substitute compatibility should be verified for your specific system.
What is the NSN for S913B?
S913B is cataloged in the U.S. Government catalog under NSN 5310-00-616-6898. 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.