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2012A5 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2012A5: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, ring_style: ANGULAR CAP, usage_design: INTERNAL, inside_diameter: 3.868 INCHES MINIMUM AND 3.870 INCHES MAXIMUM IN, major_thickness: 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN, outside_diameter: 3.900 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-208-7850, 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
2012A5
NSN: 5325-01-208-7850
FSC: 5325 — Fastening Devices
CAGE: 6Z056 — CM MANUFACTURING INC DBA CM MANUFACTURING INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
ring_styleANGULAR CAP
usage_designINTERNAL
inside_diameter3.868 INCHES MINIMUM AND 3.870 INCHES MAXIMUM IN
major_thickness0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
outside_diameter3.900 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5325-01-208-7850
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2012A5 · 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: RECTANGULAR
•
OUTSIDE DIAMETER: 3.900 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 3.868 INCHES MINIMUM AND 3.870 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: ANGULAR CAP
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.900 INCHES MINIMUM AND 4.000 INCHES MAXIMUM IN
MAJOR THICKNESS0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN
INSIDE DIAMETER3.868 INCHES MINIMUM AND 3.870 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEANGULAR CAP
MATERIALCOPPER ALLOY
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2012A5?
2012A5 is a RING,RETAINING.
What is the NSN for 2012A5?
2012A5 is cataloged in the U.S. Government catalog under NSN 5325-01-208-7850. 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.