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Technical Data Sheet
81087 ✓ 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

The LOUDSPEAKER,PERMANENT MAGNET is a the manufacturer industrial component. Key specifications include phase: SINGLE INPUT, material: RUBBER SYNTHETIC OVERALL, thickness: 0.062 INCHES NOMINAL IN, duty_cycle: CONTINUOUS, flat_depth: 0.0280 INCHES NOMINAL SINGLE END IN, current_type: AC INPUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-291-5729, 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
81087
NSN: 5310-00-291-5729
FSC: 5310
CAGE: 95270 — SKURKA AEROSPACE INC (USA)
SPECIFICATIONS
phaseSINGLE INPUT
materialRUBBER SYNTHETIC OVERALL
thickness0.062 INCHES NOMINAL IN
duty_cycleCONTINUOUS
flat_depth0.0280 INCHES NOMINAL SINGLE END IN
current_typeAC INPUT
power_rating7.00 WATTS NORMAL
usage_designINDOOR
winding_typeSERIES WOUND
hole_diameter0.266 INCHES NOMINAL IN
overall_depth3.625 INCHES NOMINAL IN
overall_width8.125 INCHES NOMINAL IN
NSN5310-00-291-5729
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 81087 · 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
CENTER HOLE SHAPE STYLE: ROUND
PERIPHERAL SHAPE STYLE: ROUND
MATERIAL DOCUMENT AND CLASSIFICATION: E-17,GR 3,FSCM 06840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER: 0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THICKNESS: 0.062 INCHES NOMINAL IN
HOLE DIAMETER: 0.266 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
PERIPHERAL SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONE-17,GR 3,FSCM 06840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.730 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
THICKNESS0.062 INCHES NOMINAL IN
HOLE DIAMETER0.266 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
B7110-900GTYPENSE11RGInterchangeable
interchangeable cross-reference
interchangeable
81087Interchangeable
interchangeable cross-reference
interchangeable
746-2AInterchangeable
interchangeable cross-reference
interchangeable
FC8S-4Interchangeable
interchangeable cross-reference
interchangeable
P8U3C7630Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81087?
81087 is a LOUDSPEAKER,PERMANENT MAGNET.
What parts can replace 81087?
There are 5 known substitutes for 81087: B7110-900GTYPENSE11RG, 81087, 746-2A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81087?
81087 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-291-5729. This indicates validated use in U.S. government and defense supply chains.
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