PartsTable
Technical Data Sheet
Download PDF

FF90591-04 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

FF90591-04: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 0.250 INCHES IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, style_designator: STRAIGHT THRU, maximum_operating_temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-666-5423, 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
FF90591-04
NSN: 4820-01-666-5423
FSC: 4820 — Valves, Nonpowered
CAGE: 45X75 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size0.250 INCHES IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
style_designatorSTRAIGHT THRU
maximum_operating_temp300.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
end_item_identification4940016159020
thread_series_designatorNPT ALL ENDS
first_connection_face_to_centerline_distance1.13 INCHES IN
second_connection_face_to_centerline_distance0.81 INCHES IN
NSN4820-01-666-5423
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: FF90591-04 · 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
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
VALVE SIZE: 0.250 INCHES IN
•
MAXIMUM OPERATING TEMP: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
SECOND CONNECTION FACE TO CENTERLINE DISTANCE: 0.81 INCHES IN
•
FIRST CONNECTION FACE TO CENTERLINE DISTANCE: 1.13 INCHES IN
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
VALVE SIZE0.250 INCHES IN
MAXIMUM OPERATING TEMP300.0 FAHRENHEIT SINGLE RESPONSE DEGF
SECOND CONNECTION FACE TO CENTERLINE DISTANCE0.81 INCHES IN
END ITEM IDENTIFICATION4940016159020
FIRST CONNECTION FACE TO CENTERLINE DISTANCE1.13 INCHES IN
MATERIALCOPPER ALLOY BODY
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE OPERATION METHODMANUAL
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
Ready to buy FF90591-04?
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 FF90591-04?
FF90591-04 is a VALVE,BALL.
What is the NSN for FF90591-04?
FF90591-04 is cataloged in the U.S. Government catalog under NSN 4820-01-666-5423. 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 — FF90591-04

✓ 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.