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A51C11518-11 — WASHER,SADDLE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A51C11518-11: WASHER,SADDLE.

The WASHER,SADDLE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, hole_diameter: 0.378 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN, overall_height: 0.320 INCHES NOMINAL IN, outside_diameter: 1.200 INCHES NOMINAL IN, style_designator: SADDLE, surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-418-5367, 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
A51C11518-11
NSN: 5310-00-418-5367
FSC: 5310 — Nuts and Washers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
hole_diameter0.378 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
overall_height0.320 INCHES NOMINAL IN
outside_diameter1.200 INCHES NOMINAL IN
style_designatorSADDLE
surface_treatmentANODIZE OVERALL
thickness_at_bolt_hole0.200 INCHES NOMINAL IN
material_document_and_classificationQQ-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-418-5367
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A51C11518-11 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SADDLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.200 INCHES NOMINAL IN
•
THICKNESS AT BOLT HOLE: 0.200 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY 7075 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.320 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSADDLE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.200 INCHES NOMINAL IN
THICKNESS AT BOLT HOLE0.200 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
HOLE DIAMETER0.378 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 A51C11518-11?
A51C11518-11 is a WASHER,SADDLE.
What is the NSN for A51C11518-11?
A51C11518-11 is cataloged in the U.S. Government catalog under NSN 5310-00-418-5367. This indicates validated use in U.S. government and defense supply chains.
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