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Z5-56 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

Z5-56: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN, overall_height: 0.050 INCHES NOMINAL IN, outside_diameter: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN, style_designator: SPRING TENSION, material_thickness: 0.005 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-487-5008, 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
Z5-56
NSN: 5310-00-487-5008
FSC: 5310 — Nuts and Washers
CAGE: 11707 — IDEAL PRECISION METER CO DBA IDEAL PRECISION METER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
overall_height0.050 INCHES NOMINAL IN
outside_diameter0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.005 INCHES NOMINAL IN
NSN5310-00-487-5008
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Z5-56 · 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: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.005 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.090 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.050 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
MATERIAL THICKNESS0.005 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.090 INCHES MINIMUM AND 0.105 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

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 Z5-56?
Z5-56 is a WASHER,SPRING TENSION.
What is the NSN for Z5-56?
Z5-56 is cataloged in the U.S. Government catalog under NSN 5310-00-487-5008. 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.