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180117 — UPSTOP ASM

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

180117: UPSTOP ASM.

The UPSTOP ASM is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, special_features: STEEL INSERT,MATERIAL QQ-S-763,COMPOSITION 303,CONDITION A,PRESS FIT,0.190 IN. LG O/A,0.531 IN.

DIA IN, seating_surface_shape: FLAT. This part is cataloged in the U.S. Government catalog under NSN 4820-00-932-9646, 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→ 180117
NSN: 4820-00-932-9646
NIINs: 009329646, 011812686
FSC: 4820 — Valves, Nonpowered
CAGE: 99657 — MAROTTA CONTROLS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
special_featuresSTEEL INSERT,MATERIAL QQ-S-763,COMPOSITION 303,CONDITION A,PRESS FIT,0.190 IN. LG O/A,0.531 IN. DIA IN
seating_surface_shapeFLAT
NSN4820-00-932-9646
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 180117 · 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: PLASTIC POLYAMIDE NYLON OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTEEL INSERT,MATERIAL QQ-S-763,COMPOSITION 303,CONDITION A,PRESS FIT,0.190 IN. LG O/A,0.531 IN. DIA IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 180117?
180117 is a UPSTOP ASM. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 180117?
180117 is cataloged in the U.S. Government catalog under NSN 4820-00-932-9646. 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.