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12591487 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12591487: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL UNS K06501, end_style: 90 DEGREE PARALLEL, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, outside_diameter: 0.9148 INCHES MINIMUM AND 0.9296 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-342-0528, 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
12591487
NSN: 5325-01-342-0528
FSC: 5325 — Fastening Devices
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
materialSTEEL UNS K06501
end_style90 DEGREE PARALLEL
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
outside_diameter0.9148 INCHES MINIMUM AND 0.9296 INCHES MAXIMUM IN
material_diameter0.0774 INCHES MINIMUM AND 0.0798 INCHES MAXIMUM IN
surface_treatmentOXIDE
casehardening_indicatorNOT CASEHARDENED
end_item_identificationUSED ON ABF334 AR5
cross-sectional_shape_styleROUND
material_document_and_classificationASTM A227 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-01-342-0528
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12591487 · 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: EXTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
MATERIAL DIAMETER: 0.0774 INCHES MINIMUM AND 0.0798 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A227 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.9148 INCHES MINIMUM AND 0.9296 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
END STYLE90 DEGREE PARALLEL
MATERIAL DIAMETER0.0774 INCHES MINIMUM AND 0.0798 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A227 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.9148 INCHES MINIMUM AND 0.9296 INCHES MAXIMUM IN
INSIDE DIAMETER0.760 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
SURFACE TREATMENTOXIDE
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12591487?
12591487 is a RING,RETAINING.
What is the NSN for 12591487?
12591487 is cataloged in the U.S. Government catalog under NSN 5325-01-342-0528. 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.