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PartsTable / COMPONENT / E2770PC9
E2770PC9 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.562 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1976, 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
E2770PC9
NSN: 5310-00-275-1976
FSC: 5310
CAGE: 59560 — TERRY CORP OF CONNECTICUT SUB OF INGERSOLL-RAND CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.562 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats3.250 INCHES NOMINAL IN
nominal_thread_size1.500 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch12
material_document_and_classificationMIL-S-890,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-275-1976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: E2770PC9 · 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
•
MATERIAL: STEEL OVERALL
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 1.500 INCHES IN
•
THREAD QUANTITY PER INCH: 12
•
WIDTH ACROSS FLATS: 3.250 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
BEARING SURFACE TYPEWASHER FACED
THREAD SERIESUNF
NOMINAL THREAD SIZE1.500 INCHES IN
THREAD QUANTITY PER INCH12
WIDTH ACROSS FLATS3.250 INCHES NOMINAL IN
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.562 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-890,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
L20Interchangeable
interchangeable cross-reference
interchangeable
28497Interchangeable
interchangeable cross-reference
interchangeable
E2813PC9Interchangeable
Same NIIN cross-reference
interchangeable
E3064PC9Interchangeable
Same NIIN cross-reference
interchangeable
E2938PC9Interchangeable
Same NIIN cross-reference
interchangeable
E2814PC9Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E2770PC9?
E2770PC9 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace E2770PC9?
There are 10 known substitutes for E2770PC9: L20, 28497, E2813PC9 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E2770PC9?
E2770PC9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1976. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026