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189-546 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

189-546: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1050 OVERALL, hole_diameter: 1.000 INCHES NOMINAL IN, overall_height: 0.062 INCHES NOMINAL IN, outside_diameter: 2.032 INCHES NOMINAL IN, special_features: SINGLE SPRING, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-644-4010, 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
189-546
NSN: 5310-01-644-4010
FSC: 5310 — Nuts and Washers
CAGE: 1511A — SOLTAM SYSTEMS LTD. (ISR)
SPECIFICATIONS
materialSTEEL COMP 1050 OVERALL
hole_diameter1.000 INCHES NOMINAL IN
overall_height0.062 INCHES NOMINAL IN
outside_diameter2.032 INCHES NOMINAL IN
special_featuresSINGLE SPRING
style_designatorSPRING TENSION
surface_treatmentOXIDE OVERALL
material_thickness0.062 INCHES NOMINAL IN
end_item_identification2355-01-505-0871
part_name_assigned_by_controlling_agencyBELLEVILLE WASHER
NSN5310-01-644-4010
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 189-546 · 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
•
OUTSIDE DIAMETER: 2.032 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.062 INCHES NOMINAL IN
•
COLOR: BLACK OVERALL
•
SURFACE TREATMENT: OXIDE OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.062 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER2.032 INCHES NOMINAL IN
MATERIAL THICKNESS0.062 INCHES NOMINAL IN
COLORBLACK OVERALL
SPECIAL FEATURESSINGLE SPRING
SURFACE TREATMENTOXIDE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBELLEVILLE WASHER
END ITEM IDENTIFICATION2355-01-505-0871
MATERIALSTEEL COMP 1050 OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 189-546?
189-546 is a WASHER,SPRING TENSION.
What is the NSN for 189-546?
189-546 is cataloged in the U.S. Government catalog under NSN 5310-01-644-4010. 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.