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8590 — TERMINAL JUNCTION BLOCK,SECTIONA

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

8590: TERMINAL JUNCTION BLOCK,SECTIONA.

TERMINAL JUNCTION BLOCK,SECTIONA. Key specifications include shape: BAYONET, material: STEEL CORROSION RESISTING OVERALL, overall_length: 8.000 INCHES NOMINAL IN, special_features: FOR ANEURYSM CLIP;BAYONET TYPE;YASARGIL STRAIGHT 8 INCH LONG STAINLESS STEEL SURGICAL GRADE INSTRUMENT IN, design_designation: YASARGIL, part_name_assigned_by_controlling_agency: FORCEPS APPLYING ANEURYSM CLIP BAYONET YASARGIL STRAIGHT 8" LG SS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-067-6026, 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
MRO→ MRO_GENERAL→ 8590
NSN: 4820-00-067-6026
NIINs: 000676026, 001062121, 002248188, 002954602, 003904557, 005925496, 006433170, 007402880, 012172648, 012326050, 014480487, 015656161
FSC: 4820 — Valves, Nonpowered
CAGE: 96355 — MATHESON CO DIV OF G D SEARLE MEDICAL PRODUCTS (USA)
SPECIFICATIONS
shapeBAYONET
materialSTEEL CORROSION RESISTING OVERALL
overall_length8.000 INCHES NOMINAL IN
special_featuresFOR ANEURYSM CLIP;BAYONET TYPE;YASARGIL STRAIGHT 8 INCH LONG STAINLESS STEEL SURGICAL GRADE INSTRUMENT IN
design_designationYASARGIL
part_name_assigned_by_controlling_agencyFORCEPS APPLYING ANEURYSM CLIP BAYONET YASARGIL STRAIGHT 8" LG SS
NSN4820-00-067-6026
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8590 · 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: POPPET
•
VALVE STEM DESIGN: SINGLE SEAT
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
VALVE LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
VALVE STEM DESIGNSINGLE SEAT
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
VALVE LOADING METHODSPRING
MATERIALBRASS SEAT
MATERIALCOPPER ALLOY STEM
SUBSTITUTES & CROSS-REFERENCES 1
Q72178-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 8590?
8590 is a TERMINAL JUNCTION BLOCK,SECTIONA. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8590?
There is 1 known substitute for 8590: Q72178-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 8590?
8590 is cataloged in the U.S. Government catalog under NSN 4820-00-067-6026. 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.