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Technical Data Sheet

387525-1 — Technical Data Sheet

✓ Verified by PartsTable
— · NUT WASHER
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

FITTING,STRUCTURAL COMPONENT,AIR. Key specifications include height: 0.750 INCHES NOMINAL IN, material: STEEL COMP 301, overall_width: 1.000 INCHES NOMINAL IN, overall_length: 1.950 INCHES NOMINAL IN, aircraft_location: FORWARD ANCHOR,PERSONNEL RESTRAINT SYSTEM, aircraft_mission_design_series: C-130. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-827-9139, 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
387525-1
NSN: 5310-00-827-9139
FSC: 5310
CAGE: 00752 — L3HARRIS TECHNOLOGIES, INC. DBA HARRIS CORP DIV ANTENNA PRODUCTS (USA)
SPECIFICATIONS
height0.750 INCHES NOMINAL IN
materialSTEEL COMP 301
overall_width1.000 INCHES NOMINAL IN
overall_length1.950 INCHES NOMINAL IN
aircraft_locationFORWARD ANCHOR,PERSONNEL RESTRAINT SYSTEM
aircraft_mission_design_seriesC-130
material_document_and_classificationMIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5310-00-827-9139
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 387525-1 · 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
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NUT STYLE: HEXAGON
•
NUT HEIGHT: 0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
BEARING SURFACE TYPE: CHAMFERED OR FLAT
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
NUT HEIGHT0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR FLAT
NOMINAL THREAD SIZE0.112 INCHES IN
THREAD QUANTITY PER INCH40
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
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1031-01InterchangeableGOVERNMENT REGISTRY
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0-41L35InterchangeableGOVERNMENT REGISTRY
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462481InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
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10310-01InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 387525-1?
387525-1 is a FITTING,STRUCTURAL COMPONENT,AIR.
What parts can replace 387525-1?
There are 18 known substitutes for 387525-1: MILB933TYPEB, 34141S, 1031-01 and 15 more. Substitute compatibility should be verified for your specific system.
Is 387525-1 still available?
387525-1 is currently cancelled.
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