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PartsTable / COMPONENT / 845-1889555 PC 45
845-1889555 PC 45 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, thickness: 0.031 INCHES NOMINAL IN, hole_diameter: 0.157 INCHES NOMINAL IN, heat_treatment: AS FABRICATED, overall_diameter: 0.295 INCHES NOMINAL IN, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-102-4085, 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
845-1889555 PC 45
NSN: 5310-00-102-4085
FSC: 5310
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
thickness0.031 INCHES NOMINAL IN
hole_diameter0.157 INCHES NOMINAL IN
heat_treatmentAS FABRICATED
overall_diameter0.295 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS3652 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-102-4085
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 845-1889555 PC 45 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
THICKNESS: 0.031 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.295 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.157 INCHES NOMINAL IN
•
HEAT TREATMENT: AS FABRICATED
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
THICKNESS0.031 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
OVERALL DIAMETER0.295 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.157 INCHES NOMINAL IN
HEAT TREATMENTAS FABRICATED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS3652 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS28775-007Interchangeable
interchangeable cross-reference
interchangeable
M28775-007Interchangeable
interchangeable cross-reference
interchangeable
04273-3Interchangeable
interchangeable cross-reference
interchangeable
90228-1CPInterchangeable
interchangeable cross-reference
interchangeable
90228-1Interchangeable
interchangeable cross-reference
interchangeable
2620-906X12PC12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 845-1889555 PC 45?
845-1889555 PC 45 is a WASHER,FLAT.
What parts can replace 845-1889555 PC 45?
There are 10 known substitutes for 845-1889555 PC 45: MS28775-007, M28775-007, 04273-3 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 845-1889555 PC 45?
845-1889555 PC 45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-102-4085. 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