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8-5504 — MICROCIRCUIT,DIGITAL

✓ Government record, cited
Origin Storage · GATE VALVE
PRODUCT OVERVIEW

8-5504: MICROCIRCUIT,DIGITAL.

This OM3 Duplex Multimode Fibre Optic Cable is ideal for connecting 10GBase-SR, 10GBase-LRM, SFP+ and QSFP+ transceivers for 10 gigabit network connections. This cable has a LSZH jacket which protects from toxic and corrosive gases in poorly ventilated spaces and other areas where it is most critical. This cable also provides backward compatibility with existing 50/125 equipment and the performance headroom required to support LED and VCSEL laser light sources, and 10 Gigabit Ethernet applications.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-028-7175, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
8-5504
NSN: 4820-00-028-7175
NIINs: 000287175, 009060608, 012658182, 012680871, 016089051, 017163980
FSC: 4820 — Valves, Nonpowered
CAGE: 38056 — ASHCROFT INC DBA HEISE (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_width0.310 INCHES MAXIMUM IN
seat_angle45.0 DEGREES NOMINAL
body_height0.185 INCHES MAXIMUM IN
body_length0.840 INCHES MAXIMUM IN
thread_class2B
overall_height3.175 INCHES NOMINAL IN
shoulder_width1.525 INCHES NOMINAL IN
pressure_rating5000.000 POUNDS NOMINAL LBS
shoulder_height0.500 INCHES NOMINAL IN
operation_methodAIR
outside_diameter3.010 INCHES NOMINAL IN
NSN4820-00-028-7175
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8-5504 · Origin Storage ⚠ 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
•
SHOULDER WIDTH: 1.525 INCHES NOMINAL IN
•
SHOULDER HEIGHT: 0.500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.010 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLUG
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
NOMINAL THREAD SIZE: 1.375 INCHES IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.175 INCHES NOMINAL IN
SHOULDER WIDTH1.525 INCHES NOMINAL IN
SHOULDER HEIGHT0.500 INCHES NOMINAL IN
OUTSIDE DIAMETER3.010 INCHES NOMINAL IN
STYLE DESIGNATORPLUG
SEAT ANGLE45.0 DEGREES NOMINAL
NOMINAL THREAD SIZE1.375 INCHES IN
THREAD CLASS2B
MATERIALNICKEL ALLOY
THREAD SERIES DESIGNATORUNEF
SUBSTITUTES & CROSS-REFERENCES 1
5119-4824-3816PC3-85504Reference 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 8-5504?
8-5504 is a MICROCIRCUIT,DIGITAL manufactured by Origin Storage.
What parts can replace 8-5504?
There is 1 known substitute for 8-5504: 5119-4824-3816PC3-85504. Substitute compatibility should be verified for your specific system.
What is the NSN for 8-5504?
8-5504 is cataloged in the U.S. Government catalog under NSN 4820-00-028-7175. 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.