PartsTable
Technical Data Sheet
Download PDF

WH-78 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

WH-78: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPIRAL, inside_diameter: 0.691 INCHES NOMINAL IN, outside_diameter: 0.821 INCHES NOMINAL IN, special_features: 2 TURNS; NO CRIMP; 3500 LBS RING SHEAR LBS, material_diameter: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-573-3357, 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
WH-78
NSN: 5325-01-573-3357
FSC: 5325 — Fastening Devices
CAGE: 51814 — SMALLEY STEEL RING CO. (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
inside_diameter0.691 INCHES NOMINAL IN
outside_diameter0.821 INCHES NOMINAL IN
special_features2 TURNS; NO CRIMP; 3500 LBS RING SHEAR LBS
material_diameter0.031 INCHES NOMINAL IN
cross-sectional_shape_styleROUND
NSN5325-01-573-3357
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WH-78 · 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 DIAMETER: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.821 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.691 INCHES NOMINAL IN
•
RING STYLE: SPIRAL
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
MATERIAL DIAMETER0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.821 INCHES NOMINAL IN
INSIDE DIAMETER0.691 INCHES NOMINAL IN
RING STYLESPIRAL
SPECIAL FEATURES2 TURNS; NO CRIMP; 3500 LBS RING SHEAR LBS
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 1
RR78Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy WH-78?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is WH-78?
WH-78 is a RING,RETAINING.
What parts can replace WH-78?
There is 1 known substitute for WH-78: RR78. Substitute compatibility should be verified for your specific system.
What is the NSN for WH-78?
WH-78 is cataloged in the U.S. Government catalog under NSN 5325-01-573-3357. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — WH-78

✓ 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.