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645198 — SHAFT,MAIN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

645198: SHAFT,MAIN.

The SHAFT,MAIN is a the manufacturer industrial component. Key specifications include chain: NOT INCLUDED, insert: INCLUDED, material: COPPER ALLOY INSERT, seal_type: GASKET, body_height: 0.630 INCHES NOMINAL IN, thread_size: 1 1/4-5. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-052-7030, 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
645198
NSN: 5315-00-052-7030
NIINs: 000527030, 002201807
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
chainNOT INCLUDED
insertINCLUDED
materialCOPPER ALLOY INSERT
seal_typeGASKET
body_height0.630 INCHES NOMINAL IN
thread_size1 1/4-5
thread_class2B
mounting_methodTHREAD
overall_diameter1.500 INCHES NOMINAL IN
special_featuresONE GROUND CABLE
style_designatorINTERNAL THREAD W/CHAIN OR ROPE
thread_directionRIGHT-HAND
NSN5315-00-052-7030
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 645198 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 645198?
645198 is a SHAFT,MAIN.
What is the NSN for 645198?
645198 is cataloged in the U.S. Government catalog under NSN 5315-00-052-7030. This indicates validated use in U.S. government and defense supply chains.
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