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4457659 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4457659: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL BODY, overall_width: 0.850 INCHES NOMINAL IN, overall_length: 2.520 INCHES NOMINAL IN, end_item_identification: 015341887, part_name_assigned_by_controlling_agency: VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-679-7590, 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
4457659
NSN: 4820-01-679-7590
FSC: 4820 — Valves, Nonpowered
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL BODY
overall_width0.850 INCHES NOMINAL IN
overall_length2.520 INCHES NOMINAL IN
special_featuresFURNISHED ITEMS, 2EA 4459990 RING, 1EA 1KK548 RING, 1EA 4459989 RING, 1E 4459988 ORING, 1EA 1KK547 ORING, 1EA 4459987 ORING
end_item_identification015341887
part_name_assigned_by_controlling_agencyVALVE
NSN4820-01-679-7590
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4457659 · 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
•
MATERIAL: STEEL BODY
TECHNICAL CHARACTERISTICS
OVERALL LENGTH2.520 INCHES NOMINAL IN
OVERALL WIDTH0.850 INCHES NOMINAL IN
SPECIAL FEATURESFURNISHED ITEMS, 2EA 4459990 RING, 1EA 1KK548 RING, 1EA 4459989 RING, 1E 4459988 ORING, 1EA 1KK547 ORING, 1EA 4459987 ORING
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE
END ITEM IDENTIFICATION015341887
MATERIALSTEEL BODY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4457659?
4457659 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 4457659?
4457659 is cataloged in the U.S. Government catalog under NSN 4820-01-679-7590. 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.