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458 — RADIATOR,ENGINE COOLANT

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

458: RADIATOR,ENGINE COOLANT.

The RADIATOR,ENGINE COOLANT is a the manufacturer industrial component. Key specifications include shape: OVAL, width: 2.000 INCHES NOMINAL IN, length: 2.000 INCHES NOMINAL IN, overall_width: 4.5 INCHES NOMINAL IN, overall_height: 4.0 INCHES NOMINAL IN, overall_length: 7.0 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-075-0435, 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→ 458
NSN: 4820-00-075-0435
NIINs: 000750435, 000969549, 001003558, 001172482, 001570768, 001910289, 002000927, 002224138, 002352481, 002746333, 002888744, 002907152, 004312763, 004615656, 004676885, 005145710, 005548714, 009309034, 009379172, 010233513, 011460473, 011709398, 012273379, 014143826, 015593400, 016126570, 016265317
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
shapeOVAL
width2.000 INCHES NOMINAL IN
length2.000 INCHES NOMINAL IN
overall_width4.5 INCHES NOMINAL IN
overall_height4.0 INCHES NOMINAL IN
overall_length7.0 INCHES NOMINAL IN
features_providedSTERILE
part_name_assigned_by_controlling_agencyDRESSING QUIK CLOT 2X2 10S
NSN4820-00-075-0435
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 458 · 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
SUBSTITUTES & CROSS-REFERENCES 4
458-00Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
862DPC33Reference document
Same NSN cross-reference
Reference document — Secondary reference
861DPC33Reference document
Same NSN cross-reference
Reference document — Secondary reference
2844Reference document
IBM PCI Combined Function IOP - 64MB
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 458?
458 is a RADIATOR,ENGINE COOLANT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 458?
There are 4 known substitutes for 458: 458-00, 862DPC33, 861DPC33 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 458?
458 is cataloged in the U.S. Government catalog under NSN 4820-00-075-0435. 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.