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45A391P3 PIECE 1 — CAP,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

45A391P3 PIECE 1: CAP,VALVE.

The CAP,VALVE is a the manufacturer industrial component. Key specifications include height: 2.130 INCHES NOMINAL IN, material: PLASTIC, outside_diameter: 1.031 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 4820-01-206-4782, 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 1
NSN: 4820-01-206-4782
FSC: 4820 — Valves, Nonpowered
CAGE: 088A2 — C SYSTEMS LLC DBA CRAIG SYSTEMS DBA EASTERN TECHNOLOGIES (USA)
SPECIFICATIONS
height2.130 INCHES NOMINAL IN
materialPLASTIC
outside_diameter1.031 INCHES NOMINAL IN
special_featuresWEAPON SYSTEM ESSENTIAL
end_item_identificationHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
criticality_code_justificationFEAT
NSN4820-01-206-4782
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 45A391P3 PIECE 1 · 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: FEAT
•
OUTSIDE DIAMETER: 1.031 INCHES NOMINAL IN
•
HEIGHT: 2.130 INCHES NOMINAL IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
OUTSIDE DIAMETER1.031 INCHES NOMINAL IN
HEIGHT2.130 INCHES NOMINAL IN
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONHEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS)
MATERIALPLASTIC
SUBSTITUTES & CROSS-REFERENCES 3
2CR858Reference document
Same NSN cross-reference
Reference document — Secondary reference
45A391P3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
45A391-P41Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1?
45A391P3 PIECE 1 is a CAP,VALVE.
What parts can replace 45A391P3 PIECE 1?
There are 3 known substitutes for 45A391P3 PIECE 1: 2CR858, 45A391P3, 45A391-P41. Substitute compatibility should be verified for your specific system.
What is the NSN for 45A391P3 PIECE 1?
45A391P3 PIECE 1 is cataloged in the U.S. Government catalog under NSN 4820-01-206-4782. 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.