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SS-4P-4 — VALVE,BLEEDER,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS-4P-4: VALVE,BLEEDER,HYDRAULIC SYSTEM.

The VALVE,BLEEDER,HYDRAULIC SYSTEM is a the manufacturer industrial component. Key specifications include material: STEEL BODY, seat_angle: 12.5 DEGREES ALL ENDS, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS, style_designator: ANGLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-122-2177, 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
SS-4P-4
NSN: 4820-01-122-2177
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL BODY
seat_angle12.5 DEGREES ALL ENDS
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
flow_control_deviceSTEM
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodMANUAL
media_for_which_designedAIR SINGLE RESPONSE
thread_series_designatorUNF ALL ENDS
NSN4820-01-122-2177
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS-4P-4 · 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: STEM
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: ANGLE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
SEAT ANGLE: 12.5 DEGREES ALL ENDS
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICESTEM
CONNECTION STYLEFLARELESS (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
SEAT ANGLE12.5 DEGREES ALL ENDS
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
THREAD CLASS2A ALL ENDS A
MATERIALSTEEL BODY
SUBSTITUTES & CROSS-REFERENCES 2
D-04N-0-99-011 ITEM 33Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4P-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS-4P-4?
SS-4P-4 is a VALVE,BLEEDER,HYDRAULIC SYSTEM.
What parts can replace SS-4P-4?
There are 2 known substitutes for SS-4P-4: D-04N-0-99-011 ITEM 33, 4P-4. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-4P-4?
SS-4P-4 is cataloged in the U.S. Government catalog under NSN 4820-01-122-2177. 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.