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148561 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

148561: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090, ring_style: SPECIAL FLAT, usage_design: INTERNAL, inside_diameter: 1.961 INCHES NOMINAL IN, major_thickness: 0.048 INCHES NOMINAL IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-205-6716, 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
148561
NSN: 5325-00-205-6716
FSC: 5325 — Fastening Devices
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090
ring_styleSPECIAL FLAT
usage_designINTERNAL
inside_diameter1.961 INCHES NOMINAL IN
major_thickness0.048 INCHES NOMINAL IN
strength_ratingERR-060
outside_diameter2.217 INCHES NOMINAL IN
surface_treatmentCADMIUM
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_classificationQQ-S-633, COMPOSITION FS1070, FS1074, FS1080, FS1085 OR FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-205-6716
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 148561 · 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: INTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633, COMPOSITION FS1070, FS1074, FS1080, FS1085 OR FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 2.217 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.048 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.961 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING64.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 69.5 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNINTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633, COMPOSITION FS1070, FS1074, FS1080, FS1085 OR FS 1090 FED SPEC SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER2.217 INCHES NOMINAL IN
MAJOR THICKNESS0.048 INCHES NOMINAL IN
INSIDE DIAMETER1.961 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
SUBSTITUTES & CROSS-REFERENCES 4
M2742630152BReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RR212CReference document
Same NSN cross-reference
Reference document — Secondary reference
626-001-9158Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RR-212Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 148561?
148561 is a RING,RETAINING.
What parts can replace 148561?
There are 4 known substitutes for 148561: M2742630152B, RR212C, 626-001-9158 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 148561?
148561 is cataloged in the U.S. Government catalog under NSN 5325-00-205-6716. 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.