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SK-182304 — Technical Data Sheet

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— · 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,IMPELLER,PUMP is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-065-0176, 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
SK-182304
NSN: 5310-00-065-0176
FSC: 5310
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCOPPER ALLOY; 1.750 IN. OD; 0.500 IN. THK; W/0.625-14 UNS LH THD BORE; 1 HOLE 0.250-20 UNC THD; 2 HOLES 0.250 IN. DIA,180 DEG APART; ALL ARE ON 1.250 IN.DIA BOLT CIRCLE IN
NSN5310-00-065-0176
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SK-182304 · 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: COPPER ALLOY; 1.750 IN. OD; 0.500 IN. THK; W/0.625-14 UNS LH THD BORE; 1 HOLE 0.250-20 UNC THD; 2 HOLES 0.250 IN. DIA,180 DEG APART; ALL ARE ON 1.250 IN.DIA BOLT CIRCLE IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCOPPER ALLOY; 1.750 IN. OD; 0.500 IN. THK; W/0.625-14 UNS LH THD BORE; 1 HOLE 0.250-20 UNC THD; 2 HOLES 0.250 IN. DIA,180 DEG APART; ALL ARE ON 1.250 IN.DIA BOLT CIRCLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8CU066A38InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1-69InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
48C40666A38InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
101-69InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
101-116InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
101-265InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK-182304?
SK-182304 is a NUT,IMPELLER,PUMP.
What parts can replace SK-182304?
There are 12 known substitutes for SK-182304: 8CU066A38, 1-69, 48C40666A38 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK-182304?
SK-182304 is cataloged in the Federal Logistics Information System under NSN 5310-00-065-0176. 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: October 2026