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TW2CB17 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TW2CB17: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070 OR STEEL COMP 1080, ring_style: SPECIAL FLAT, usage_design: EXTERNAL, inside_diameter: 3.550 INCHES NOMINAL IN, major_thickness: 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-286-9456, 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
TW2CB17
NSN: 5325-00-286-9456
FSC: 5325 — Fastening Devices
CAGE: 30177 — IWC LLC DBA IDEAL WINDLASS COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1070 OR STEEL COMP 1080
ring_styleSPECIAL FLAT
usage_designEXTERNAL
inside_diameter3.550 INCHES NOMINAL IN
major_thickness0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter4.050 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleDOUBLE OVAL
material_document_and_classificationASTM A576 COMP 1070 OR 1080 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-286-9456
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TW2CB17 · 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: 64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 COMP 1070 OR 1080 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 4.050 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.550 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNEXTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 COMP 1070 OR 1080 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER4.050 INCHES NOMINAL IN
MAJOR THICKNESS0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
INSIDE DIAMETER3.550 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
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 TW2CB17?
TW2CB17 is a RING,RETAINING.
What is the NSN for TW2CB17?
TW2CB17 is cataloged in the U.S. Government catalog under NSN 5325-00-286-9456. This indicates validated use in U.S. government and defense supply chains.
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