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PartsTable / COMPONENT / G88PC140
G88PC140 ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: SLEEVE, nut_length: 0.688 INCHES NOMINAL IN, nut_diameter: 1.250 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-0465, 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
G88PC140
NSN: 5310-00-275-0465
FSC: 5310
CAGE: 16062 — M.T. DAVIDSON COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleSLEEVE
nut_length0.688 INCHES NOMINAL IN
nut_diameter1.250 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
flange_thickness0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.625 INCHES IN
cross-sectional_shapeROUND NUT
thread_quantity_per_inch11
flange_width_across_flats1.500 INCHES NOMINAL IN
NSN5310-00-275-0465
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G88PC140 · 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
•
FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
NUT STYLE: SLEEVE
•
CROSS-SECTIONAL SHAPE: HEXAGONAL FLANGE
•
MATERIAL: COPPER ALLOY OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16540 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NUT LENGTH: 0.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE THICKNESS0.250 INCHES NOMINAL IN
NUT STYLESLEEVE
CROSS-SECTIONAL SHAPEHEXAGONAL FLANGE
CROSS-SECTIONAL SHAPEROUND NUT
MATERIALCOPPER ALLOY OVERALL
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16540 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NUT LENGTH0.688 INCHES NOMINAL IN
THREAD QUANTITY PER INCH11
NOMINAL THREAD SIZE0.625 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
50172Interchangeable
interchangeable cross-reference
interchangeable
20023309Interchangeable
interchangeable cross-reference
interchangeable
10173Interchangeable
interchangeable cross-reference
interchangeable
20-0852Interchangeable
interchangeable cross-reference
interchangeable
804680Interchangeable
interchangeable cross-reference
interchangeable
919106-51Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G88PC140?
G88PC140 is a NUT,SLEEVE.
What parts can replace G88PC140?
There are 16 known substitutes for G88PC140: 50172, 20023309, 10173 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G88PC140?
G88PC140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-0465. 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