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Technical Data Sheet
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11242 ✓ Verified by PartsTable
Jumbo · 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 RETAINER,ELECTRON TUBE is a Jumbo industrial component. Key specifications include end_item_identification: HANGAR HELICOPTER TLCP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-014-8099, 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
11242
NSN: 5310-00-014-8099
FSC: 5310
CAGE: 89953 — GAF CORP OFFICE SYSTEMS DIV SALES AND SERVICE (USA)
SPECIFICATIONS
end_item_identificationHANGAR HELICOPTER TLCP
NSN5310-00-014-8099
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11242 · Jumbo ⚠ 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: STEEL COMP 8 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-854 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.438 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.049 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 8 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-854 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.438 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.049 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
HOLE DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1888Interchangeable
IBM 139GB 15k RPM SAS SFF-1 HDD
interchangeable
A38HYTInterchangeable
interchangeable cross-reference
interchangeable
A38Interchangeable
interchangeable cross-reference
interchangeable
12844Interchangeable
interchangeable cross-reference
interchangeable
SDJ32Interchangeable
interchangeable cross-reference
interchangeable
1299Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11242?
11242 is a RETAINER,ELECTRON TUBE manufactured by Jumbo.
What parts can replace 11242?
There are 17 known substitutes for 11242: 1888, A38HYT, A38 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 11242?
11242 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-014-8099. 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