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B2127-78 — WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B2127-78: WASHER.

The WASHER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-133-0773, 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
B2127-78
NSN: 5310-01-133-0773
FSC: 5310 — Nuts and Washers
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberB2127-78
NSN5310-01-133-0773
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B2127-78 · 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 2
112304Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
B501-304Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B2127-78?
B2127-78 is a WASHER.
What parts can replace B2127-78?
There are 2 known substitutes for B2127-78: 112304, B501-304. Substitute compatibility should be verified for your specific system.
What is the NSN for B2127-78?
B2127-78 is cataloged in the U.S. Government catalog under NSN 5310-01-133-0773. This indicates validated use in U.S. government and defense supply chains.
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