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858845-2 — GUIDE,PISTON

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

858845-2: GUIDE,PISTON.

The GUIDE,PISTON is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES,AMS5643,TYPE 17-4PH,1.085 IN. MIN,1.090 IN.

MAX DIA,0.565 IN. MIN,0.575 IN. MAX THK OVERALL IN.

This part is cataloged in the U.S. Government catalog under NSN 4810-00-116-4587, 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
858845-2
NSN: 4810-00-116-4587
FSC: 4810 — Valves, Powered
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES,AMS5643,TYPE 17-4PH,1.085 IN. MIN,1.090 IN. MAX DIA,0.565 IN. MIN,0.575 IN. MAX THK OVERALL IN
NSN4810-00-116-4587
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 858845-2 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,AMS5643,TYPE 17-4PH,1.085 IN. MIN,1.090 IN. MAX DIA,0.565 IN. MIN,0.575 IN. MAX THK OVERALL IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,AMS5643,TYPE 17-4PH,1.085 IN. MIN,1.090 IN. MAX DIA,0.565 IN. MIN,0.575 IN. MAX THK OVERALL IN
OTHER ITEMS IN FSC 4810 — Valves, Powered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4810-00-001-1247 4810-00-001-4499 4810-00-001-4531 4810-00-001-4532 4810-00-001-4554 4810-00-001-4555 4810-00-001-4556 4810-00-001-4611
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 858845-2?
858845-2 is a GUIDE,PISTON.
What is the NSN for 858845-2?
858845-2 is cataloged in the U.S. Government catalog under NSN 4810-00-116-4587. 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.