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SPIROLOX WH-78 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SPIROLOX WH-78: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include ring_style: SPIRAL, usage_design: INTERNAL, minor_thickness: 0.031 INCHES NOMINAL IN, outside_diameter: 0.821 INCHES NOMINAL IN, cross-sectional_shape_style: ROUND, part_name_assigned_by_controlling_agency: MEDIUM DUTY RINGS. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-688-8912, 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
SPIROLOX WH-78
NSN: 5325-01-688-8912
FSC: 5325 — Fastening Devices
CAGE: 80756 — SPIROLOX INC (USA)
SPECIFICATIONS
ring_styleSPIRAL
usage_designINTERNAL
minor_thickness0.031 INCHES NOMINAL IN
outside_diameter0.821 INCHES NOMINAL IN
cross-sectional_shape_styleROUND
part_name_assigned_by_controlling_agencyMEDIUM DUTY RINGS
NSN5325-01-688-8912
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SPIROLOX 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
•
USAGE DESIGN: INTERNAL
•
MINOR THICKNESS: 0.031 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.821 INCHES NOMINAL IN
•
RING STYLE: SPIRAL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
MINOR THICKNESS0.031 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.821 INCHES NOMINAL IN
RING STYLESPIRAL
PART NAME ASSIGNED BY CONTROLLING AGENCYMEDIUM DUTY RINGS
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SPIROLOX WH-78?
SPIROLOX WH-78 is a RING,RETAINING.
What is the NSN for SPIROLOX WH-78?
SPIROLOX WH-78 is cataloged in the U.S. Government catalog under NSN 5325-01-688-8912. 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.