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Technical Data Sheet
PartsTable / COMPONENT / PL1889773 PC18
PL1889773 PC18 ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-720-8064, 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
PL1889773 PC18
NSN: 5325-00-720-8064
FSC: 5325
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part NumberPL1889773 PC18
NSN5325-00-720-8064
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PL1889773 PC18 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
1396RHInterchangeable
interchangeable cross-reference
interchangeable
1108RInterchangeable
interchangeable cross-reference
interchangeable
179Interchangeable
interchangeable cross-reference
interchangeable
6351Interchangeable
interchangeable cross-reference
interchangeable
8170045Interchangeable
interchangeable cross-reference
interchangeable
10124996Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL1889773 PC18?
PL1889773 PC18 is a RING,RETAINING.
What parts can replace PL1889773 PC18?
There are 25 known substitutes for PL1889773 PC18: 1396RH, 1108R, 179 and 22 more. Substitute compatibility should be verified for your specific system.
Is PL1889773 PC18 still available?
PL1889773 PC18 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