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ST021707 — WASHER,ENGINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST021707: WASHER,ENGINE.

The WASHER,ENGINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-806-4172, 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
ST021707
NSN: 5310-00-806-4172
FSC: 5310 — Nuts and Washers
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
Part NumberST021707
NSN5310-00-806-4172
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST021707 · 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 1
BSSP47LSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST021707?
ST021707 is a WASHER,ENGINE.
What parts can replace ST021707?
There is 1 known substitute for ST021707: BSSP47L. Substitute compatibility should be verified for your specific system.
What is the NSN for ST021707?
ST021707 is cataloged in the U.S. Government catalog under NSN 5310-00-806-4172. This indicates validated use in U.S. government and defense supply chains.
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