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50291 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
Sandberg · ORING SEAL
PRODUCT OVERVIEW

50291: CIRCUIT CARD ASSEMBLY.

UTP cable with twisted-pair data leads. The reel contains continuous cable that you can cut to length yourself and fit RJ45 connectors on using a crimping tool. This allows you to make network cables in any lengths you require.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-286-8149, 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
50291
NSN: 5330-00-286-8149
NIINs: 002868149, 003274756, 004233960, 006524881, 007153413, 010755927, 012397142
FSC: 5330 — Packing and Gasket Materials
CAGE: 76680 — FEDERAL-MOGUL CORP CHASSIS PRODUCTS DIV (USA)
SPECIFICATIONS
materialALUMINUM
seat_angle45.0 DEGREES FIRST END
thread_class2B FIRST END
overall_width4.350 INCHES NOMINAL IN
overall_length5.900 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
special_featuresUSED ON MULTI AIRCRAFT SYSTEMS
style_designatorFRUSTUM
surface_treatmentCADMIUM OUTSIDE
nominal_thread_size0.625 INCHES FIRST END IN
major_outside_diameter3.953 INCHES NOMINAL IN
NSN5330-00-286-8149
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 50291 MFR: Sandberg ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 10
146-26Reference document
Same NSN cross-reference
Reference document — Secondary reference
43-446Reference document
Same NSN cross-reference
Reference document — Secondary reference
206555Reference document
Same NSN cross-reference
Reference document — Secondary reference
16A7415Reference document
Same NSN cross-reference
Reference document — Secondary reference
125-35Reference document
Same NSN cross-reference
Reference document — Secondary reference
3Y393Reference 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 50291?
50291 is a CIRCUIT CARD ASSEMBLY manufactured by Sandberg.
What parts can replace 50291?
There are 10 known substitutes for 50291: 146-26, 43-446, 206555 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50291?
50291 is cataloged in the U.S. Government catalog under NSN 5330-00-286-8149. 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.