PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 591139PC9
591139PC9 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.225 INCHES NOMINAL IN, major_thickness: 0.025 INCHES NOMINAL IN, surface_treatment: CHROMATE AND ZINC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-526-2674, 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
591139PC9
NSN: 5325-00-526-2674
FSC: 5325
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.225 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
surface_treatmentCHROMATE AND ZINC
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUNDED OUTSIDE CORNERS
material_document_and_classificationSAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-526-2674
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 591139PC9 · 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
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
SURFACE TREATMENT: CHROMATE AND ZINC
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED OUTSIDE CORNERS
•
MATERIAL HARDNESS RATING: 47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
MAJOR THICKNESS0.025 INCHES NOMINAL IN
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENTCHROMATE AND ZINC
CROSS-SECTIONAL SHAPE STYLEROUNDED OUTSIDE CORNERS
MATERIAL HARDNESS RATING47.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEEXTERNAL
INSIDE DIAMETER0.225 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
310025Interchangeable
interchangeable cross-reference
interchangeable
93221001-99Interchangeable
interchangeable cross-reference
interchangeable
01839Interchangeable
interchangeable cross-reference
interchangeable
VG-549Interchangeable
interchangeable cross-reference
interchangeable
340-0025-000Interchangeable
interchangeable cross-reference
interchangeable
51-25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 591139PC9?
591139PC9 is a RING,RETAINING.
What parts can replace 591139PC9?
There are 18 known substitutes for 591139PC9: 310025, 93221001-99, 01839 and 15 more. Substitute compatibility should be verified for your specific system.
Is 591139PC9 still available?
591139PC9 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026