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145DS031-3 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

145DS031-3: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: SPIRAL, major_thickness: 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, outside_diameter: 6.349 INCHES MINIMUM AND 6.394 INCHES MAXIMUM IN, casehardening_indicator: NOT CASEHARDENED, cross-sectional_shape_style: ROUNDED CORNERS. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-116-0019, 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
145DS031-3
NSN: 5325-01-116-0019
FSC: 5325 — Fastening Devices
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialSTEEL
ring_styleSPIRAL
major_thickness0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
outside_diameter6.349 INCHES MINIMUM AND 6.394 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED CORNERS
NSN5325-01-116-0019
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 145DS031-3 · 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
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
OUTSIDE DIAMETER: 6.349 INCHES MINIMUM AND 6.394 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPIRAL
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
OUTSIDE DIAMETER6.349 INCHES MINIMUM AND 6.394 INCHES MAXIMUM IN
MAJOR THICKNESS0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
MATERIALSTEEL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 145DS031-3?
145DS031-3 is a RING,RETAINING.
What is the NSN for 145DS031-3?
145DS031-3 is cataloged in the U.S. Government catalog under NSN 5325-01-116-0019. 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.