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PartsTable / COMPONENT / 1120H-SS-.500-12
1120H-SS-.500-12 ✓ 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 1120H-SS-.500-12 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-058-0513, 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
1120H-SS-.500-12
NSN: 5310-00-058-0513
FSC: 5310
CAGE: 51506 — ACCURATE SCREW MACHINE CORP DIV ACCURATE SCREW MACHINE CORPORATION (USA)
SPECIFICATIONS
Part Number1120H-SS-.500-12
NSN5310-00-058-0513
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1120H-SS-.500-12 · 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
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 40
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
WIDTH ACROSS FLATS: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPEWASHER FACED
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
NOMINAL THREAD SIZE0.112 INCHES IN
MATERIALSTEEL COMP 303 OVERALL
WIDTH ACROSS FLATS0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
NUT STYLEHEXAGON
NUT HEIGHT0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
9066Interchangeable
interchangeable cross-reference
interchangeable
1243115P1Interchangeable
interchangeable cross-reference
interchangeable
14U1481PC9066Interchangeable
interchangeable cross-reference
interchangeable
2-228 N602-70Interchangeable
interchangeable cross-reference
interchangeable
570113Interchangeable
interchangeable cross-reference
interchangeable
214-40-36Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1120H-SS-.500-12?
1120H-SS-.500-12 is a 1120H-SS-.500-12.
What parts can replace 1120H-SS-.500-12?
There are 26 known substitutes for 1120H-SS-.500-12: 9066, 1243115P1, 14U1481PC9066 and 23 more. Substitute compatibility should be verified for your specific system.
Is 1120H-SS-.500-12 still available?
1120H-SS-.500-12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026