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Technical Data Sheet
SP529 ✓ Verified by PartsTable
Middle Atlantic Products · 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

Vented panels are fitted with lift handles and internal locks. Key specifications include material: COPPER ALLOY 360 OVERALL, overall_length: 0.340 INCHES MAXIMUM IN, first_end_style: RADIUS, mounting_method: UNTHREADED HOLE(S), overall_diameter: 0.680 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-276-5577, 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
SP529
NSN: 5315-00-276-5577
FSC: 5315
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
overall_length0.340 INCHES MAXIMUM IN
first_end_styleRADIUS
mounting_methodUNTHREADED HOLE(S)
overall_diameter0.680 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
pin_overall_length0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
pin_overall_diameter0.0610 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
first_end_corner_radius0.010 INCHES NOMINAL IN
NSN5315-00-276-5577
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SP529 · Middle Atlantic Products ⚠ 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
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
MATERIAL: COPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER: 0.0610 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
PIN OVERALL LENGTH: 0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
FIRST END CORNER RADIUS: 0.010 INCHES NOMINAL IN
FIRST END STYLE: RADIUS
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALCOPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-611 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.0610 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.281 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
FIRST END CORNER RADIUS0.010 INCHES NOMINAL IN
FIRST END STYLERADIUS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
900201-0129Interchangeable
interchangeable cross-reference
interchangeable
SPC8852Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SP529?
SP529 is a TRANSISTOR manufactured by Middle Atlantic Products.
What parts can replace SP529?
There are 2 known substitutes for SP529: 900201-0129, SPC8852. Substitute compatibility should be verified for your specific system.
What is the NSN for SP529?
SP529 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-276-5577. This indicates validated use in U.S. government and defense supply chains.
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