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HPW226 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HPW226: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN, major_thickness: 0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-479-9143, 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
HPW226
NSN: 5325-00-479-9143
FSC: 5325 — Fastening Devices
CAGE: 33102 — HARVARD PRECISION COMPONENTS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1070
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
major_thickness0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
outside_diameter0.278 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 5115 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-479-9143
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HPW226 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5115 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.278 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5115 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.278 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
MAJOR THICKNESS0.030 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
INSIDE DIAMETER0.218 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
SUBSTITUTES & CROSS-REFERENCES 1
2003T72P02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HPW226?
HPW226 is a RING,RETAINING.
What parts can replace HPW226?
There is 1 known substitute for HPW226: 2003T72P02. Substitute compatibility should be verified for your specific system.
What is the NSN for HPW226?
HPW226 is cataloged in the U.S. Government catalog under NSN 5325-00-479-9143. 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.