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45A391P3 PIECE 11 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

45A391P3 PIECE 11: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM, outside_diameter: 0.940 INCHES NOMINAL IN, special_features: WEAPON SYSTEM ESSENTIAL, end_item_identification: HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS), criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-206-4781, 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
45A391P3 PIECE 11
NSN: 4820-01-206-4781
FSC: 4820 — Valves, Nonpowered
CAGE: 088A2 — C SYSTEMS LLC DBA CRAIG SYSTEMS DBA EASTERN TECHNOLOGIES (USA)
SPECIFICATIONS
materialALUMINUM
outside_diameter0.940 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identificationHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
criticality_code_justificationFEAT
NSN4820-01-206-4781
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45A391P3 PIECE 11 · 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
•
OUTSIDE DIAMETER: 0.940 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.940 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
MATERIALALUMINUM
SUBSTITUTES & CROSS-REFERENCES 3
45A391-P46Reference document
Same NSN cross-reference
Reference document — Secondary reference
2CR867Reference document
Same NSN cross-reference
Reference document — Secondary reference
45A391P3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 45A391P3 PIECE 11?
45A391P3 PIECE 11 is a DISK,VALVE.
What parts can replace 45A391P3 PIECE 11?
There are 3 known substitutes for 45A391P3 PIECE 11: 45A391-P46, 2CR867, 45A391P3. Substitute compatibility should be verified for your specific system.
What is the NSN for 45A391P3 PIECE 11?
45A391P3 PIECE 11 is cataloged in the U.S. Government catalog under NSN 4820-01-206-4781. 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.