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D21632 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

D21632: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.328 INCHES NOMINAL IN, heat_treatment: AS FABRICATED, outside_diameter: 0.625 INCHES NOMINAL IN, special_features: OD HAS .047 IN. RADIUS ON BOTH SURFACES IN, style_designator: RECESSED BOTH SIDES.

This part is cataloged in the U.S. Government catalog under NSN 5310-00-110-5564, 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
D21632
NSN: 5310-00-110-5564
FSC: 5310 — Nuts and Washers
CAGE: 53047 — RHEEM MFG CO AIR CONDITIONING DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.328 INCHES NOMINAL IN
heat_treatmentAS FABRICATED
outside_diameter0.625 INCHES NOMINAL IN
special_featuresOD HAS .047 IN. RADIUS ON BOTH SURFACES IN
style_designatorRECESSED BOTH SIDES
top_recess_angle90.0 DEGREES NOMINAL
material_thickness0.203 INCHES NOMINAL IN
bottom_recess_angle90.0 DEGREES NOMINAL
NSN5310-00-110-5564
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: D21632 · 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
•
HEAT TREATMENT: AS FABRICATED
•
TOP RECESS ANGLE: 90.0 DEGREES NOMINAL
•
STYLE DESIGNATOR: RECESSED BOTH SIDES
•
OUTSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.203 INCHES NOMINAL IN
•
BOTTOM RECESS ANGLE: 90.0 DEGREES NOMINAL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
HEAT TREATMENTAS FABRICATED
TOP RECESS ANGLE90.0 DEGREES NOMINAL
STYLE DESIGNATORRECESSED BOTH SIDES
OUTSIDE DIAMETER0.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.203 INCHES NOMINAL IN
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
SPECIAL FEATURESOD HAS .047 IN. RADIUS ON BOTH SURFACES IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.328 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
002170Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D21632?
D21632 is a WASHER,RECESSED.
What parts can replace D21632?
There is 1 known substitute for D21632: 002170. Substitute compatibility should be verified for your specific system.
What is the NSN for D21632?
D21632 is cataloged in the U.S. Government catalog under NSN 5310-00-110-5564. 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.