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1018-051 — 1018-051

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

1018-051: 1018-051.

The 1018-051 is a the manufacturer industrial component. Key specifications include diameter: 0.312 INCHES NOMINAL IN, material: STEEL LOCATION NOT OTHERWISE SPECIFIED, flute_type: INTEGRAL, pilot_type: FIXED, shank_type: STRAIGHT, reamer_type: MULTIFLUTE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-463-5022, 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
MRO→ MRO_GENERAL→ 1018-051
NSN: 4820-00-463-5022
NIINs: 004635022, 007633964, 014366668
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
diameter0.312 INCHES NOMINAL IN
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
flute_typeINTEGRAL
pilot_typeFIXED
shank_typeSTRAIGHT
reamer_typeMULTIFLUTE
flute_designSTRAIGHT
flute_quantity8
shank_diameter0.625 INCHES NOMINAL IN
special_features1ST OVERSIZE
flute_cut_directionRIGHT-HAND
NSN4820-00-463-5022
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1018-051 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
SUBSTITUTES & CROSS-REFERENCES 10
V6900PC5DLRNSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
20-06839Q3Reference document
Same NSN cross-reference
Reference document — Secondary reference
V6900PC5Q3Reference document
Same NSN cross-reference
Reference document — Secondary reference
V6839Q3Reference document
Same NSN cross-reference
Reference document — Secondary reference
20-06839Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
V6839DLRNQAReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1018-051?
1018-051 is a 1018-051. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1018-051?
There are 10 known substitutes for 1018-051: V6900PC5DLRN, 20-06839Q3, V6900PC5Q3 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1018-051?
1018-051 is cataloged in the U.S. Government catalog under NSN 4820-00-463-5022. 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.