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Technical Data Sheet
PartsTable / MRO / 101811-3
101811-3 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The INDICATOR,DEPTH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: PUSH ON, nut_diameter: 0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN, special_features: MAJOR COMPONENTS: COMPONENTS BOARD 1, surface_treatment: CADMIUM OVERALL, material_thickness: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-756-8141, 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
MRO→ MRO_GENERAL→ 101811-3
NSN: 5310-00-756-8141
FSC: 5310
CAGE: 77646 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA AEROSPACE SYSTEMS DIV AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_stylePUSH ON
nut_diameter0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
special_featuresMAJOR COMPONENTS: COMPONENTS BOARD 1
surface_treatmentCADMIUM OVERALL
material_thickness0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
end_item_identification6610007814198 INDICATOR,ATTITUDE
component_type_and_quantity7 CAPACITOR AND 5 DIODE AND 16 RESISTOR AND 5 TRANSISTOR AND 1 TRANSFORMER
mating_member_diameter_accommodated0.312 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-756-8141
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 101811-3 · 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
•
MATERIAL THICKNESS: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
•
NUT DIAMETER: 0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NUT STYLE: PUSH ON
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATING MEMBER DIAMETER ACCOMMODATED: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
NUT DIAMETER0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
NUT STYLEPUSH ON
SURFACE TREATMENTCADMIUM OVERALL
MATING MEMBER DIAMETER ACCOMMODATED0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
HS48-8-11Interchangeable
interchangeable cross-reference
interchangeable
10-18711 TY3Interchangeable
interchangeable cross-reference
interchangeable
10-1811-TY3Interchangeable
interchangeable cross-reference
interchangeable
10-1811-3Interchangeable
interchangeable cross-reference
interchangeable
A509400Interchangeable
interchangeable cross-reference
interchangeable
1480Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 101811-3?
101811-3 is a INDICATOR,DEPTH. It is classified as a MRO (MRO_GENERAL).
What parts can replace 101811-3?
There are 13 known substitutes for 101811-3: HS48-8-11, 10-18711 TY3, 10-1811-TY3 and 10 more. Substitute compatibility should be verified for your specific system.
Is 101811-3 still available?
101811-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026