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A1293 — SHIELD,ELECTRON TUBE

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

A1293: SHIELD,ELECTRON TUBE.

The SHIELD,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, power_source: EXTERNAL, hole_diameter: 0.187 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 0.490 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 1.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-528-3426, 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→ A1293
NSN: 5330-00-528-3426
NIINs: 005283426, 008120483, 015966480
FSC: 5330 — Packing and Gasket Materials
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
power_sourceEXTERNAL
hole_diameter0.187 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width0.490 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length1.625 INCHES NOMINAL IN
outside_diameter2.625 INCHES NOMINAL IN
style_designatorCRADLE TYPE FOR FLAT PRESS TUBE W/BASE
aperture_diameter1.624 INCHES NOMINAL IN
features_providedBRACKET
bolt_hole_quantity5
bolt_circle_diameter2.125 INCHES NOMINAL IN
NSN5330-00-528-3426
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1293 MFR: OEM ⚠ 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
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: M-6024-C FSCM 23040 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 2.625 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.624 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 5
•
BOLT CIRCLE DIAMETER: 2.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONM-6024-C FSCM 23040 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER2.625 INCHES NOMINAL IN
APERTURE DIAMETER1.624 INCHES NOMINAL IN
BOLT HOLE QUANTITY5
BOLT CIRCLE DIAMETER2.125 INCHES NOMINAL IN
MATERIALCORK OVERALL
HOLE DIAMETER0.187 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
GPW9276Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A1293?
A1293 is a SHIELD,ELECTRON TUBE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A1293?
There is 1 known substitute for A1293: GPW9276. Substitute compatibility should be verified for your specific system.
What is the NSN for A1293?
A1293 is cataloged in the U.S. Government catalog under NSN 5330-00-528-3426. 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.