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66-3854-1 — ADAPTER,ILS RECEIVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

66-3854-1: ADAPTER,ILS RECEIVE.

The ADAPTER,ILS RECEIVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, hole_diameter: 2.749 INCHES NOMINAL IN, shoulder_height: 0.600 INCHES NOMINAL IN, outside_diameter: 3.750 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 3.449 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-017-4149, 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
66-3854-1
NSN: 5310-01-017-4149
NIINs: 010174149, 010868319
FSC: 5310 — Nuts and Washers
CAGE: 17765 — THE BOEING COMPANY DIV COMMERCIAL (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
hole_diameter2.749 INCHES NOMINAL IN
shoulder_height0.600 INCHES NOMINAL IN
outside_diameter3.750 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter3.449 INCHES NOMINAL IN
surface_treatmentANODIZE OVERALL
material_thickness0.150 INCHES NOMINAL IN
material_document_and_classificationQQ-A-277 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-017-4149
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 66-3854-1 · 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 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER HEIGHT: 0.600 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-277 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 3.750 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.150 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 3.449 INCHES NOMINAL IN
•
SURFACE TREATMENT: ANODIZE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER HEIGHT0.600 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-277 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER3.750 INCHES NOMINAL IN
MATERIAL THICKNESS0.150 INCHES NOMINAL IN
SHOULDER DIAMETER3.449 INCHES NOMINAL IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
HOLE DIAMETER2.749 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66-3854-1?
66-3854-1 is a ADAPTER,ILS RECEIVE.
What is the NSN for 66-3854-1?
66-3854-1 is cataloged in the U.S. Government catalog under NSN 5310-01-017-4149. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.