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5191-89 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5191-89: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, nut_style: ROUND, nut_diameter: 2.100 INCHES NOMINAL IN, nut_thickness: 0.375 INCHES NOMINAL IN, drive_point_depth: 0.042 INCHES NOMINAL IN, drive_point_width: 0.058 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-017-1550, 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
5191-89
NSN: 5310-01-017-1550
FSC: 5310 — Nuts and Washers
CAGE: 43990 — NORGREN C A CO (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
nut_styleROUND
nut_diameter2.100 INCHES NOMINAL IN
nut_thickness0.375 INCHES NOMINAL IN
drive_point_depth0.042 INCHES NOMINAL IN
drive_point_width0.058 INCHES NOMINAL IN
drive_point_quantity60
NSN5310-01-017-1550
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5191-89 · 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
•
DRIVE POINT WIDTH: 0.058 INCHES NOMINAL IN
•
NUT DIAMETER: 2.100 INCHES NOMINAL IN
•
DRIVE POINT DEPTH: 0.042 INCHES NOMINAL IN
•
NUT THICKNESS: 0.375 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 60
•
NUT STYLE: ROUND
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
DRIVE POINT WIDTH0.058 INCHES NOMINAL IN
NUT DIAMETER2.100 INCHES NOMINAL IN
DRIVE POINT DEPTH0.042 INCHES NOMINAL IN
NUT THICKNESS0.375 INCHES NOMINAL IN
DRIVE POINT QUANTITY60
NUT STYLEROUND
MATERIALPLASTIC OVERALL
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5191-89?
5191-89 is a NUT,PLAIN,ROUND.
What is the NSN for 5191-89?
5191-89 is cataloged in the U.S. Government catalog under NSN 5310-01-017-1550. 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.