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33311-3PC5 2IN — NUT,DISK RETAINING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

33311-3PC5 2IN: NUT,DISK RETAINING.

The NUT,DISK RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-083-5903, 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
33311-3PC5 2IN
NSN: 5310-01-083-5903
FSC: 5310 — Nuts and Washers
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATERIAL CRES AISI 416; OD 2.188 IN.; HEIGHT 1.125 IN.; THREADED INTERNALLY; UNF 1.375-12; 2B FIT; STEM OPENING 0.781 IN. IN
NSN5310-01-083-5903
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 33311-3PC5 2IN · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL CRES AISI 416; OD 2.188 IN.; HEIGHT 1.125 IN.; THREADED INTERNALLY; UNF 1.375-12; 2B FIT; STEM OPENING 0.781 IN. IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL CRES AISI 416; OD 2.188 IN.; HEIGHT 1.125 IN.; THREADED INTERNALLY; UNF 1.375-12; 2B FIT; STEM OPENING 0.781 IN. IN
SUBSTITUTES & CROSS-REFERENCES 2
33311-3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
BV-2201Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 33311-3PC5 2IN?
33311-3PC5 2IN is a NUT,DISK RETAINING.
What parts can replace 33311-3PC5 2IN?
There are 2 known substitutes for 33311-3PC5 2IN: 33311-3, BV-2201. Substitute compatibility should be verified for your specific system.
What is the NSN for 33311-3PC5 2IN?
33311-3PC5 2IN is cataloged in the U.S. Government catalog under NSN 5310-01-083-5903. 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.