PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 258-6730
258-6730 ✓ 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: WAVE, usage_design: EXTERNAL, end_play_takeup: 0.188 INCHES MAXIMUM IN, inside_diameter: 1.031 INCHES NOMINAL IN, major_thickness: 0.020 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-351-4715, 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
258-6730
NSN: 5325-00-351-4715
FSC: 5325
CAGE: 11530 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL
ring_styleWAVE
usage_designEXTERNAL
end_play_takeup0.188 INCHES MAXIMUM IN
inside_diameter1.031 INCHES NOMINAL IN
major_thickness0.020 INCHES NOMINAL IN
outside_diameter1.231 INCHES NOMINAL IN
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating47.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-351-4715
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 258-6730 · 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
•
INSIDE DIAMETER: 1.031 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
END PLAY TAKEUP: 0.188 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM
•
MATERIAL: STEEL
•
USAGE DESIGN: EXTERNAL
•
MAJOR THICKNESS: 0.020 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER1.031 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
END PLAY TAKEUP0.188 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
USAGE DESIGNEXTERNAL
MAJOR THICKNESS0.020 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
RING STYLEWAVE
OUTSIDE DIAMETER1.231 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MIL-PRF-1/1112Interchangeable
interchangeable cross-reference
interchangeable
8493Interchangeable
interchangeable cross-reference
interchangeable
MILE1G1112D8493Interchangeable
interchangeable cross-reference
interchangeable
20969Interchangeable
interchangeable cross-reference
interchangeable
E5-45-846Interchangeable
interchangeable cross-reference
interchangeable
11976Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 258-6730?
258-6730 is a RING,RETAINING.
What parts can replace 258-6730?
There are 15 known substitutes for 258-6730: MIL-PRF-1/1112, 8493, MILE1G1112D8493 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 258-6730?
258-6730 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-351-4715. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026