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11578884 — KEY,MUZZLE BRAKE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11578884: KEY,MUZZLE BRAKE.

The KEY,MUZZLE BRAKE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-030-7167, 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
11578884
NSN: 5315-01-030-7167
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATERIAL,.28-.50C AISI ALLOY STEEL OR STEEL CASTING,3.040 LENGTH,1.495 WIDTH,0.500 HIGH WITH A STEP ON ONE END,2 HOLES WITH 0.375-16 UN-2B THREAD,AND ALL CORNERS HAVE A RADIUS
NSN5315-01-030-7167
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11578884 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL,.28-.50C AISI ALLOY STEEL OR STEEL CASTING,3.040 LENGTH,1.495 WIDTH,0.500 HIGH WITH A STEP ON ONE END,2 HOLES WITH 0.375-16 UN-2B THREAD,AND ALL CORNERS HAVE A RADIUS
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL,.28-.50C AISI ALLOY STEEL OR STEEL CASTING,3.040 LENGTH,1.495 WIDTH,0.500 HIGH WITH A STEP ON ONE END,2 HOLES WITH 0.375-16 UN-2B THREAD,AND ALL CORNERS HAVE A RADIUS
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 11578884?
11578884 is a KEY,MUZZLE BRAKE.
What is the NSN for 11578884?
11578884 is cataloged in the U.S. Government catalog under NSN 5315-01-030-7167. This indicates validated use in U.S. government and defense supply chains.
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