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3871-S-160 — 3871-S-160

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

3871-S-160: 3871-S-160.

The 3871-S-160 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-453-2976, 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
3871-S-160
NSN: 4820-01-453-2976
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number3871-S-160
NSN4820-01-453-2976
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3871-S-160 · 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
•
SHANK DIAMETER: 0.750 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 1.750 INCHES NOMINAL IN
•
PRESSURE RATING: 100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
•
TEMP RATING: 150.0 FAHRENHEIT NOMINAL DEGF
•
OUTSIDE DIAMETER: 7.000 INCHES NOMINAL IN
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STYLE DESIGNATOR: SWING CHECK
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NOMINAL THREAD SIZE: 0.625 INCHES IN
•
THREAD CLASS: ZA
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.750 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT1.750 INCHES NOMINAL IN
PRESSURE RATING100.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
TEMP RATING150.0 FAHRENHEIT NOMINAL DEGF
OUTSIDE DIAMETER7.000 INCHES NOMINAL IN
STYLE DESIGNATORSWING CHECK
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD CLASSZA
END ITEM IDENTIFICATIONNIMITZ CLASS CVN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
3871-SReference document
Same NSN cross-reference
Reference document — Design control — primary reference
1281-001 6IN ITEM NO.4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3871-S-160?
3871-S-160 is a 3871-S-160.
What parts can replace 3871-S-160?
There are 2 known substitutes for 3871-S-160: 3871-S, 1281-001 6IN ITEM NO.4. Substitute compatibility should be verified for your specific system.
What is the NSN for 3871-S-160?
3871-S-160 is cataloged in the U.S. Government catalog under NSN 4820-01-453-2976. This indicates validated use in U.S. government and defense supply chains.
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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.