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215531PC55 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

215531PC55: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include nut_style: ROUND, nut_diameter: 2.875 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 1.688 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, drive_point_depth: 1.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-216-7642, 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
215531PC55
NSN: 5310-00-216-7642
FSC: 5310 — Nuts and Washers
CAGE: 30760 — INGERSOLL RAND CO (USA)
SPECIFICATIONS
nut_styleROUND
nut_diameter2.875 INCHES NOMINAL IN
thread_class2B
nut_thickness1.688 INCHES NOMINAL IN
thread_directionRIGHT-HAND
drive_point_depth1.688 INCHES NOMINAL IN
drive_point_width0.281 INCHES NOMINAL IN
drive_point_quantity2
NSN5310-00-216-7642
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 215531PC55 · 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: 0.281 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NUT DIAMETER: 2.875 INCHES NOMINAL IN
•
DRIVE POINT DEPTH: 1.688 INCHES NOMINAL IN
•
NUT THICKNESS: 1.688 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 2
•
NUT STYLE: ROUND
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
DRIVE POINT WIDTH0.281 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NUT DIAMETER2.875 INCHES NOMINAL IN
DRIVE POINT DEPTH1.688 INCHES NOMINAL IN
NUT THICKNESS1.688 INCHES NOMINAL IN
DRIVE POINT QUANTITY2
NUT STYLEROUND
THREAD CLASS2B
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 8
215870PC55Reference document
Same NSN cross-reference
Reference document — Secondary reference
200S127SX1-AReference document
Same NSN cross-reference
Reference document — Secondary reference
215525PC55Reference document
Same NSN cross-reference
Reference document — Secondary reference
200S127SX1-20HReference document
Same NSN cross-reference
Reference document — Secondary reference
Z200S127SX1-20HReference document
Same NSN cross-reference
Reference document — Secondary reference
215705PC55Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 215531PC55?
215531PC55 is a NUT,PLAIN,ROUND.
What parts can replace 215531PC55?
There are 8 known substitutes for 215531PC55: 215870PC55, 200S127SX1-A, 215525PC55 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 215531PC55?
215531PC55 is cataloged in the U.S. Government catalog under NSN 5310-00-216-7642. 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.