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318C ITEM 41 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

318C ITEM 41: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: 90 DEGREE PARALLEL, ring_style: EXTERNAL, gap_opening: OPENING 90 DEGREES OR MORE, usage_design: EXTERNAL, inside_diameter: 0.688 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-618-4769, 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
318C ITEM 41
NSN: 5325-01-618-4769
FSC: 5325 — Fastening Devices
CAGE: 05991 — CAMERON ENERGY SERVICES CORP. (USA)
SPECIFICATIONS
materialSTEEL
end_style90 DEGREE PARALLEL
ring_styleEXTERNAL
gap_openingOPENING 90 DEGREES OR MORE
usage_designEXTERNAL
inside_diameter0.688 INCHES NOMINAL IN
major_thickness0.042 INCHES NOMINAL IN
outside_diameter0.97 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-01-618-4769
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 318C ITEM 41 · 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: 66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
END STYLE: 90 DEGREE PARALLEL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 0.97 INCHES NOMINAL IN
•
GAP OPENING: OPENING 90 DEGREES OR MORE
•
MAJOR THICKNESS: 0.042 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.688 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING66.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 71.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM
USAGE DESIGNEXTERNAL
END STYLE90 DEGREE PARALLEL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER0.97 INCHES NOMINAL IN
GAP OPENINGOPENING 90 DEGREES OR MORE
MAJOR THICKNESS0.042 INCHES NOMINAL IN
INSIDE DIAMETER0.688 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEEXTERNAL
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 2
0087-1029TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9A-0087-1029TSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 318C ITEM 41?
318C ITEM 41 is a RING,RETAINING.
What parts can replace 318C ITEM 41?
There are 2 known substitutes for 318C ITEM 41: 0087-1029T, 9A-0087-1029T. Substitute compatibility should be verified for your specific system.
What is the NSN for 318C ITEM 41?
318C ITEM 41 is cataloged in the U.S. Government catalog under NSN 5325-01-618-4769. This indicates validated use in U.S. government and defense supply chains.
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