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QS112 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

QS112: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1095 OVERALL, hole_diameter: 0.438 INCHES NOMINAL IN, overall_height: 0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN, outside_diameter: 2.190 INCHES NOMINAL IN, style_designator: SPRING TENSION, surface_treatment: PRIMER OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-028-4176, 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
QS112
NSN: 5310-00-028-4176
FSC: 5310 — Nuts and Washers
CAGE: 80477 — ADAMS RITE AEROSPACE, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1095 OVERALL
hole_diameter0.438 INCHES NOMINAL IN
overall_height0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
outside_diameter2.190 INCHES NOMINAL IN
style_designatorSPRING TENSION
surface_treatmentPRIMER OVERALL
material_thickness0.065 INCHES NOMINAL IN
material_document_and_classificationMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-P-6889 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-028-4176
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: QS112 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-6889 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.190 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.065 INCHES NOMINAL IN
•
SURFACE TREATMENT: PRIMER OVERALL
•
MATERIAL: STEEL COMP 1095 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.125 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-6889 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.190 INCHES NOMINAL IN
MATERIAL THICKNESS0.065 INCHES NOMINAL IN
SURFACE TREATMENTPRIMER OVERALL
MATERIALSTEEL COMP 1095 OVERALL
HOLE DIAMETER0.438 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is QS112?
QS112 is a WASHER,SPRING TENSION.
What is the NSN for QS112?
QS112 is cataloged in the U.S. Government catalog under NSN 5310-00-028-4176. 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.