PartsTable
Technical Data Sheet
Download PDF

626-001-9279 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

626-001-9279: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPIRAL, usage_design: INTERNAL, inside_diameter: 3.721 INCHES MINIMUM AND 3.746 INCHES MAXIMUM IN, major_thickness: 0.057 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN, outside_diameter: 4.157 INCHES MINIMUM AND 4.182 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-721-8963, 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
626-001-9279
NSN: 5325-00-721-8963
FSC: 5325 — Fastening Devices
CAGE: 70210 — HONEYWELL INTERNATIONAL INC. DIV AEROSPACE - TORRANCE (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
usage_designINTERNAL
inside_diameter3.721 INCHES MINIMUM AND 3.746 INCHES MAXIMUM IN
major_thickness0.057 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
outside_diameter4.157 INCHES MINIMUM AND 4.182 INCHES MAXIMUM IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-00-721-8963
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 626-001-9279 · 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
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 4.157 INCHES MINIMUM AND 4.182 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.057 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.721 INCHES MINIMUM AND 3.746 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPIRAL
•
SURFACE TREATMENT: CADMIUM
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER4.157 INCHES MINIMUM AND 4.182 INCHES MAXIMUM IN
MAJOR THICKNESS0.057 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
INSIDE DIAMETER3.721 INCHES MINIMUM AND 3.746 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 4
518C203-85Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RR400Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
907920-0053Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
518C203-85-79Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 626-001-9279?
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 626-001-9279?
626-001-9279 is a RING,RETAINING.
What parts can replace 626-001-9279?
There are 4 known substitutes for 626-001-9279: 518C203-85, RR400, 907920-0053 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 626-001-9279?
626-001-9279 is cataloged in the U.S. Government catalog under NSN 5325-00-721-8963. 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 — 626-001-9279

✓ 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.