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Technical Data Sheet
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55.316 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
ASUS · ORING SEAL
PRODUCT OVERVIEW

55.316: ADAPTER,STRAIGHT,PIPE TO TUBE.

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. Tune It Your Way Comprehensive controls form the foundation of the ASUS Prime series.

The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity. Cooler by Design Prime B550M-K is engineered with an array of hybrid fan headers and features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool and stable under intense workloads. Build on a Solid Foundation Prime B550 motherbo This part is cataloged in the U.S.

Government catalog under NSN 5330-00-678-6540, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
55.316
NSN: 5330-00-678-6540
NIINs: 006786540, 008942517
FSC: 5330 — Packing and Gasket Materials
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OR STEEL CORROSION RESISTING OVERALL
seat_angle12.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARELESS (TUBE) FIRST END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.562 INCHES FIRST END IN
maximum_operating_temp-65.0 FAHRENHEIT SECOND RESPONSE DEGF
nominal_overall_length1.609 INCHES IN
media_for_which_designedHYDRAULIC FLUID FIRST RESPONSE
thread_series_designatorNPTF SECOND END
nondefinitive_spec/std_data19A FIGURE A
NSN5330-00-678-6540
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55.316 MFR: ASUS ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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CENTER HOLE DIAMETER: 2.612 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER HOLE DIAMETER2.612 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
09-55316Reference document
Same NSN cross-reference
Reference document — Secondary reference
25K30220Reference document
Same NSN cross-reference
Reference document — Secondary reference
S14-146Reference document
Same NSN cross-reference
Reference document — Secondary reference
ER8365Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55.316?
55.316 is a ADAPTER,STRAIGHT,PIPE TO TUBE manufactured by ASUS.
What parts can replace 55.316?
There are 4 known substitutes for 55.316: 09-55316, 25K30220, S14-146 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55.316?
55.316 is cataloged in the U.S. Government catalog under NSN 5330-00-678-6540. This indicates validated use in U.S. government and defense supply chains.
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