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161-80155 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

161-80155: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1075 OVERALL, hole_diameter: 0.330 INCHES NOMINAL IN, overall_height: 0.060 INCHES NOMINAL IN, hardness_rating: 43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM, outside_diameter: 0.500 INCHES NOMINAL IN, style_designator: SPRING TENSION. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-218-4561, 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
161-80155
NSN: 5310-01-218-4561
FSC: 5310 — Nuts and Washers
CAGE: 24976 — DANFOSS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1075 OVERALL
hole_diameter0.330 INCHES NOMINAL IN
overall_height0.060 INCHES NOMINAL IN
hardness_rating43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
outside_diameter0.500 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.008 INCHES NOMINAL IN
NSN5310-01-218-4561
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 161-80155 · 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
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: SPRING TENSION
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.008 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1075 OVERALL
•
HOLE DIAMETER: 0.330 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.060 INCHES NOMINAL IN
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.008 INCHES NOMINAL IN
MATERIALSTEEL COMP 1075 OVERALL
HOLE DIAMETER0.330 INCHES NOMINAL 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

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 161-80155?
161-80155 is a WASHER,SPRING TENSION.
What is the NSN for 161-80155?
161-80155 is cataloged in the U.S. Government catalog under NSN 5310-01-218-4561. 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.