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438111 — IMPELLER,PUMP,CENTRIFUGAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

438111: IMPELLER,PUMP,CENTRIFUGAL.

The IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include special_features: END ITEM:WATER PUMP. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-136-7505, 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
438111
NSN: 5315-01-136-7505
NIINs: 011367505, 014868889
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 89256 — NAVAL SHIP ENGINEERING CENTER PHILADELPHIA DIV (USA)
SPECIFICATIONS
special_featuresEND ITEM:WATER PUMP
NSN5315-01-136-7505
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 438111 · 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
•
SECOND SHANK DIAMETER: 0.343 INCHES NOMINAL IN
•
SURFACE FINISH: 20.0 MICROINCHES SHOULDER END
•
UNDERCUT WIDTH: 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.625 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
THREAD LENGTH: 0.388 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
TECHNICAL CHARACTERISTICS
SECOND SHANK DIAMETER0.343 INCHES NOMINAL IN
SURFACE FINISH20.0 MICROINCHES SHOULDER END
UNDERCUT WIDTH0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.625 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
HOLE ARRANGEMENT STYLEONE END DRILLED
THREAD LENGTH0.388 INCHES NOMINAL IN
FIRST END STYLESQUARE
FIRST HOLE DIAMETER0.040 INCHES NOMINAL IN
HARDNESS RATING58.0 ROCKWELL C MINIMUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 4
4382 PIECE 12Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4381Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4213Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4213-01Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 438111?
438111 is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace 438111?
There are 4 known substitutes for 438111: 4382 PIECE 12, 4381, 4213 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 438111?
438111 is cataloged in the U.S. Government catalog under NSN 5315-01-136-7505. This indicates validated use in U.S. government and defense supply chains.
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