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PartsTable / COMPONENT / P53508NPT
P53508NPT ✓ 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 WASHER,SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND PLASTIC OVERALL, hole_diameter: 1.030 INCHES NOMINAL1.030 INCHES NOMINAL IN, overall_height: 0.135 INCHES NOMINAL0.135 INCHES NOMINAL IN, outside_diameter: 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN, style_designator: CONCAVE, end_item_identification: SERIES 50 CABLE REELSERIES 50 CABLE REEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-587-5970, 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
P53508NPT
NSN: 5310-01-587-5970
FSC: 5310
CAGE: 52729 — UNITED EQUIPMENT ACCESSORIES, INC. DBA UNITED EQUIPMENT ACCESSORIES INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND PLASTIC OVERALL
hole_diameter1.030 INCHES NOMINAL1.030 INCHES NOMINAL IN
overall_height0.135 INCHES NOMINAL0.135 INCHES NOMINAL IN
outside_diameter1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
style_designatorCONCAVE
end_item_identificationSERIES 50 CABLE REELSERIES 50 CABLE REEL
material_document_and_classificationUL94V-0 FLAME RETARDANT ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySW 3/4SW 3/4
NSN5310-01-587-5970
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P53508NPT · 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 DOCUMENT AND CLASSIFICATION: UL94V-0 FLAME RETARDANT ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HOLE DIAMETER: 1.030 INCHES NOMINAL1.030 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC AND PLASTIC OVERALL
•
OUTSIDE DIAMETER: 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.135 INCHES NOMINAL0.135 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSW 3/4SW 3/4
MATERIAL DOCUMENT AND CLASSIFICATIONUL94V-0 FLAME RETARDANT ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER1.030 INCHES NOMINAL1.030 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC AND PLASTIC OVERALL
END ITEM IDENTIFICATIONSERIES 50 CABLE REELSERIES 50 CABLE REEL
OUTSIDE DIAMETER1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
D9484-59-7Interchangeable
interchangeable cross-reference
interchangeable
44615K422Interchangeable
interchangeable cross-reference
interchangeable
3523Interchangeable
interchangeable cross-reference
interchangeable
1841 2-1/2X1/32X7/8Interchangeable
interchangeable cross-reference
interchangeable
59-10001Interchangeable
interchangeable cross-reference
interchangeable
326-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is P53508NPT?
P53508NPT is a WASHER,SEAL.
What parts can replace P53508NPT?
There are 17 known substitutes for P53508NPT: D9484-59-7, 44615K422, 3523 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P53508NPT?
P53508NPT is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-587-5970. 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