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5281443 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5281443: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include height: 0.188 INCHES NOMINAL IN, radius: 0.031 INCHES NOMINAL IN, material: STEEL, outside_diameter: 1.976 INCHES MINIMUM AND 1.981 INCHES MAXIMUM IN, style_designator: TRAPPED CUP, smallest_diameter: 1.965 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-276-9813, 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
5281443
NSN: 5340-00-276-9813
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
height0.188 INCHES NOMINAL IN
radius0.031 INCHES NOMINAL IN
materialSTEEL
outside_diameter1.976 INCHES MINIMUM AND 1.981 INCHES MAXIMUM IN
style_designatorTRAPPED CUP
smallest_diameter1.965 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN
material_thickness0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
material_document_and_classificationSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-00-276-9813
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5281443 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
•
RADIUS: 0.031 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.976 INCHES MINIMUM AND 1.981 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: TRAPPED CUP
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL THICKNESS: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
HEIGHT: 0.188 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
SMALLEST DIAMETER: 1.965 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
RADIUS0.031 INCHES NOMINAL IN
OUTSIDE DIAMETER1.976 INCHES MINIMUM AND 1.981 INCHES MAXIMUM IN
STYLE DESIGNATORTRAPPED CUP
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1010 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
HEIGHT0.188 INCHES NOMINAL IN
MATERIALSTEEL
SMALLEST DIAMETER1.965 INCHES MINIMUM AND 1.970 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
838127Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5281443?
5281443 is a PLUG,EXPANSION.
What parts can replace 5281443?
There is 1 known substitute for 5281443: 838127. Substitute compatibility should be verified for your specific system.
What is the NSN for 5281443?
5281443 is cataloged in the U.S. Government catalog under NSN 5340-00-276-9813. This indicates validated use in U.S. government and defense supply chains.
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