PartsTable
Technical Data Sheet
Download PDF

5021-B 3IN — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

5021-B 3IN: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 3.000 INCHES IN, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_position: HORIZONTAL, flow_control_device: DISK, valve_operation_method: AUTOMATIC. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-328-2767, 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
5021-B 3IN
NSN: 4820-01-328-2767
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size3.000 INCHES IN
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
end_item_identificationFFG GUIDED MISSILE FRIGATE
NSN4820-01-328-2767
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5021-B 3IN · 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
•
FLOW CONTROL DEVICE: DISK
•
MOUNTING POSITION: HORIZONTAL
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
VALVE SIZE: 3.000 INCHES IN
•
MATERIAL: COPPER ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
MOUNTING POSITIONHORIZONTAL
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE3.000 INCHES IN
END ITEM IDENTIFICATIONFFG GUIDED MISSILE FRIGATE
MATERIALCOPPER ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 5021-B 3IN?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5021-B 3IN?
5021-B 3IN is a VALVE,CHECK.
What is the NSN for 5021-B 3IN?
5021-B 3IN is cataloged in the U.S. Government catalog under NSN 4820-01-328-2767. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5021-B 3IN

✓ 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.