PartsTable
Technical Data Sheet
Download PDF

25172B00 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

25172B00: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: IRON, ring_style: SPLIT, usage_design: EXTERNAL, inside_diameter: 6.458 INCHES MINIMUM AND 6.488 INCHES MAXIMUM IN, major_thickness: 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN, outside_diameter: 7.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-045-7365, 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
25172B00
NSN: 5325-00-045-7365
FSC: 5325 — Fastening Devices
CAGE: 0RCD8 — HOOSIER INDUSTRIAL SUPPLY, INC (USA)
SPECIFICATIONS
materialIRON
ring_styleSPLIT
usage_designEXTERNAL
inside_diameter6.458 INCHES MINIMUM AND 6.488 INCHES MAXIMUM IN
major_thickness0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
outside_diameter7.000 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-045-7365
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 25172B00 · 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: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 7.000 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 6.458 INCHES MINIMUM AND 6.488 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPLIT
•
MATERIAL: IRON
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER7.000 INCHES NOMINAL IN
MAJOR THICKNESS0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
INSIDE DIAMETER6.458 INCHES MINIMUM AND 6.488 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPLIT
MATERIALIRON
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 25172B00?
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 25172B00?
25172B00 is a RING,RETAINING.
What is the NSN for 25172B00?
25172B00 is cataloged in the U.S. Government catalog under NSN 5325-00-045-7365. 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 — 25172B00

✓ 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.