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CHK-BRS-415-4F4F-B — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

CHK-BRS-415-4F4F-B: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include nominal_length: 1.800 INCHES ALL ENDS IN, style_designator: STRAIGHT THRU, operating_pressure: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF, valve_operation_method: AUTOMATIC, end_item_identification: 6665-01-680-2920 DETECTING SET,MINE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-696-0998, 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
CHK-BRS-415-4F4F-B
NSN: 4820-01-696-0998
FSC: 4820 — Valves, Nonpowered
CAGE: 56173 — THE SPECIALTY MFG. CO DBA SPECIALTY MFG. CO (USA)
SPECIFICATIONS
nominal_length1.800 INCHES ALL ENDS IN
style_designatorSTRAIGHT THRU
operating_pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
end_item_identification6665-01-680-2920 DETECTING SET,MINE
NSN4820-01-696-0998
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: CHK-BRS-415-4F4F-B · 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
•
NOMINAL LENGTH: 1.800 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MAXIMUM OPERATING TEMP: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
NOMINAL LENGTH1.800 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MAXIMUM OPERATING TEMP180.0 FAHRENHEIT SINGLE RESPONSE DEGF
END ITEM IDENTIFICATION6665-01-680-2920 DETECTING SET,MINE
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CHK-BRS-415-4F4F-B?
CHK-BRS-415-4F4F-B is a VALVE,CHECK.
What is the NSN for CHK-BRS-415-4F4F-B?
CHK-BRS-415-4F4F-B is cataloged in the U.S. Government catalog under NSN 4820-01-696-0998. 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.