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PB21504 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PB21504: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.031 INCHES NOMINAL IN, overall_height: 0.014 INCHES NOMINAL IN, outside_diameter: 0.094 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.006 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-487-6563, 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
PB21504
NSN: 5310-00-487-6563
FSC: 5310 — Nuts and Washers
CAGE: 19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.031 INCHES NOMINAL IN
overall_height0.014 INCHES NOMINAL IN
outside_diameter0.094 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.006 INCHES NOMINAL IN
NSN5310-00-487-6563
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PB21504 · 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: 0.094 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.006 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.031 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.014 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.094 INCHES NOMINAL IN
MATERIAL THICKNESS0.006 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.031 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
1494236Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 PB21504?
PB21504 is a WASHER,SPRING TENSION.
What parts can replace PB21504?
There is 1 known substitute for PB21504: 1494236. Substitute compatibility should be verified for your specific system.
What is the NSN for PB21504?
PB21504 is cataloged in the U.S. Government catalog under NSN 5310-00-487-6563. 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.