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S11018-1 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S11018-1: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, hole_diameter: 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, overall_height: 0.120 INCHES NOMINAL IN, outside_diameter: 1.350 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN, style_designator: SPRING TENSION, material_thickness: 0.082 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-393-7780, 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
S11018-1
NSN: 5310-01-393-7780
FSC: 5310 — Nuts and Washers
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
hole_diameter1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
overall_height0.120 INCHES NOMINAL IN
outside_diameter1.350 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.082 INCHES NOMINAL IN
material_document_and_classificationAMS5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-393-7780
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S11018-1 · 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
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.350 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.082 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 631 OVERALL
•
HOLE DIAMETER: 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.120 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.350 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN
MATERIAL THICKNESS0.082 INCHES NOMINAL IN
MATERIALSTEEL COMP 631 OVERALL
HOLE DIAMETER1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
S11018A-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S11018-1?
S11018-1 is a WASHER,SPRING TENSION.
What parts can replace S11018-1?
There is 1 known substitute for S11018-1: S11018A-1. Substitute compatibility should be verified for your specific system.
What is the NSN for S11018-1?
S11018-1 is cataloged in the U.S. Government catalog under NSN 5310-01-393-7780. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.