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NK1000487 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

NK1000487: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include hole_diameter: 0.281 INCHES NOMINAL0.281 INCHES NOMINAL IN, overall_height: 0.063 INCHES NOMINAL0.063 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN, material_document_and_classification: AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECTNAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-013-5495, 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
NK1000487
NSN: 5310-01-013-5495
FSC: 5310 — Nuts and Washers
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
hole_diameter0.281 INCHES NOMINAL0.281 INCHES NOMINAL IN
overall_height0.063 INCHES NOMINAL0.063 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
material_document_and_classificationAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECTNAVY SPECIAL PROJECT
NSN5310-01-013-5495
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NK1000487 · 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: AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.281 INCHES NOMINAL0.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.063 INCHES NOMINAL0.063 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.030 INCHES NOMINAL0.030 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECTNAVY SPECIAL PROJECT
HOLE DIAMETER0.281 INCHES NOMINAL0.281 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 NK1000487?
NK1000487 is a WASHER,SPRING TENSION.
What is the NSN for NK1000487?
NK1000487 is cataloged in the U.S. Government catalog under NSN 5310-01-013-5495. 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.