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Technical Data Sheet
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1646M48P11 — 1646M48P11

✓ Government record, cited
SPS TECHNOLOGIES, LLC DBA PB FASTENERS · NUT WASHER
PRODUCT OVERVIEW

1646M48P11: 1646M48P11.

The 1646M48P11 is a SPS TECHNOLOGIES, LLC DBA PB FASTENERS industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-455-3335, 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
1646M48P11
NSN: 5310-01-455-3335
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
Part Number1646M48P11
ManufacturerSPS TECHNOLOGIES, LLC DBA PB FASTENERS
NSN5310-01-455-3335
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1646M48P11 · SPS TECHNOLOGIES, LLC DBA PB FASTENERS ⚠ 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
MM10052167-01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1646M48P11?
1646M48P11 is a 1646M48P11 manufactured by SPS TECHNOLOGIES, LLC DBA PB FASTENERS.
What parts can replace 1646M48P11?
There is 1 known substitute for 1646M48P11: MM10052167-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 1646M48P11?
1646M48P11 is cataloged in the U.S. Government catalog under NSN 5310-01-455-3335. This indicates validated use in U.S. government and defense supply chains.
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