PartsTable
Technical Data Sheet
Download PDF

3021720 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3021720: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 1.892 INCHES MINIMUM AND 1.933 INCHES MAXIMUM IN, major_thickness: 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, outside_diameter: 2.154 INCHES MINIMUM AND 2.179 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-357-1639, 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
3021720
NSN: 5325-00-357-1639
FSC: 5325 — Fastening Devices
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialSTEEL COMP 301
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter1.892 INCHES MINIMUM AND 1.933 INCHES MAXIMUM IN
major_thickness0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
outside_diameter2.154 INCHES MINIMUM AND 2.179 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating70.0 ROCKWELL A MINIMUM AND 75.0 ROCKWELL A MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationAMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-357-1639
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3021720 · 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: 70.0 ROCKWELL A MINIMUM AND 75.0 ROCKWELL A MAXIMUM
•
USAGE DESIGN: INTERNAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 2.154 INCHES MINIMUM AND 2.179 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.892 INCHES MINIMUM AND 1.933 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING70.0 ROCKWELL A MINIMUM AND 75.0 ROCKWELL A MAXIMUM
USAGE DESIGNINTERNAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5519 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER2.154 INCHES MINIMUM AND 2.179 INCHES MAXIMUM IN
MAJOR THICKNESS0.046 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
INSIDE DIAMETER1.892 INCHES MINIMUM AND 1.933 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
MATERIALSTEEL COMP 301
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
Ready to buy 3021720?
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 3021720?
3021720 is a RING,RETAINING.
What is the NSN for 3021720?
3021720 is cataloged in the U.S. Government catalog under NSN 5325-00-357-1639. 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 — 3021720