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Technical Data Sheet
PartsTable / COMPONENT / A-11241
A-11241 ✓ 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 SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include material: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL, thickness: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN, hole_diameter: 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, overall_width: 4.000 INCHES NOMINAL IN, overall_height: 6.062 INCHES NOMINAL IN, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-454-1248, 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
A-11241
NSN: 5310-00-454-1248
FSC: 5310
CAGE: 53655 — AVOX SYSTEMS INC DBA AVOX SYSTEMS INC (USA)
SPECIFICATIONS
materialRUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
thickness0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
hole_diameter0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
overall_width4.000 INCHES NOMINAL IN
overall_height6.062 INCHES NOMINAL IN
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
overall_diameter0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
style_designatorRECTANGULAR
operating_temp_rating-15.0 FAHRENHEIT MINIMUM AND 105.0 FAHRENHEIT MAXIMUM DEGF
peripheral_shape_styleROUND
center_hole_shape_styleROUND
contact_adjustment_range+0.00 TO 225.00 ACTUATION POINT DEGREES FAHRENHEIT
NSN5310-00-454-1248
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A-11241 · 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
•
OVERALL DIAMETER: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
THICKNESS: 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
MATERIAL: RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
•
HOLE DIAMETER: 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
THICKNESS0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIALRUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
HOLE DIAMETER0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
C100-120Interchangeable
interchangeable cross-reference
interchangeable
C100-120 90417Interchangeable
interchangeable cross-reference
interchangeable
M0DEL100TYPEC11-0T01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-11241?
A-11241 is a SWITCH,THERMOSTATIC.
What parts can replace A-11241?
There are 3 known substitutes for A-11241: C100-120, C100-120 90417, M0DEL100TYPEC11-0T01. Substitute compatibility should be verified for your specific system.
What is the NSN for A-11241?
A-11241 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-454-1248. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026